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#26 2011-09-14 08:31:29

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

Re: Adding and Subtracting Rational Expressions

Heck, I would take that all day. Pay me 3, pay out 2! Pay me 3, pay out 2. I am heading for the Riviera.


In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

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#27 2011-09-14 08:31:56

zee-f
Member
Registered: 2011-05-12
Posts: 1,220

Re: Adding and Subtracting Rational Expressions

i just posted my work and i got 18-d was incorrect 20-c incorrect


One, who adopts patience, will never be deprived of success though it may take a long time to reach him. Imam ali (as)<3

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#28 2011-09-14 08:33:56

anonimnystefy
Real Member
From: Harlan's World
Registered: 2011-05-23
Posts: 16,049

Re: Adding and Subtracting Rational Expressions

i rechecked and you were right-18 is A.sorry about that!

also,20 is F

Last edited by anonimnystefy (2011-09-14 08:35:21)


“Here lies the reader who will never open this book. He is forever dead.
“Taking a new step, uttering a new word, is what people fear most.” ― Fyodor Dostoyevsky, Crime and Punishment
The knowledge of some things as a function of age is a delta function.

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#29 2011-09-14 08:36:30

zee-f
Member
Registered: 2011-05-12
Posts: 1,220

Re: Adding and Subtracting Rational Expressions

thank you guysssss for allllllllll of your help but anonimnystefy what makes 20- f ???


One, who adopts patience, will never be deprived of success though it may take a long time to reach him. Imam ali (as)<3

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#30 2011-09-14 08:39:05

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

Re: Adding and Subtracting Rational Expressions

18A, yes for some reason the just switched a sign,


In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

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#31 2011-09-14 08:43:29

zee-f
Member
Registered: 2011-05-12
Posts: 1,220

Re: Adding and Subtracting Rational Expressions

what makes 20- f


One, who adopts patience, will never be deprived of success though it may take a long time to reach him. Imam ali (as)<3

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#32 2011-09-14 08:57:13

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

Re: Adding and Subtracting Rational Expressions

Hi;

That is correct the answer is 20 F


In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

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#33 2011-09-14 09:00:26

zee-f
Member
Registered: 2011-05-12
Posts: 1,220

Re: Adding and Subtracting Rational Expressions

yeah but i dont get why i thought it was c why is c wrong i dont get it


One, who adopts patience, will never be deprived of success though it may take a long time to reach him. Imam ali (as)<3

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#34 2011-09-14 09:02:55

zee-f
Member
Registered: 2011-05-12
Posts: 1,220

Re: Adding and Subtracting Rational Expressions

is it because the x^2 is spouse to be x^3


One, who adopts patience, will never be deprived of success though it may take a long time to reach him. Imam ali (as)<3

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#35 2011-09-14 09:04:07

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

Re: Adding and Subtracting Rational Expressions

Check the factorization of the first bottom on the right. It is incorrect.


In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

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#36 2011-09-14 09:09:15

zee-f
Member
Registered: 2011-05-12
Posts: 1,220

Re: Adding and Subtracting Rational Expressions

the (x-4) u mean they didnt multiply it this is getting confusing maybe cuz i did to much work the subtracting is hard


One, who adopts patience, will never be deprived of success though it may take a long time to reach him. Imam ali (as)<3

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#37 2011-09-14 09:10:37

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

Re: Adding and Subtracting Rational Expressions

Hi

Multiply out the bottom, it will not be right.


In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

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#38 2011-09-14 09:15:32

zee-f
Member
Registered: 2011-05-12
Posts: 1,220

Re: Adding and Subtracting Rational Expressions

ill get x^2-x-12


One, who adopts patience, will never be deprived of success though it may take a long time to reach him. Imam ali (as)<3

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#39 2011-09-14 09:17:36

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

Re: Adding and Subtracting Rational Expressions

That is right. You would think you would want to get:


In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

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#40 2011-09-14 09:24:34

zee-f
Member
Registered: 2011-05-12
Posts: 1,220

Re: Adding and Subtracting Rational Expressions

thank you for clearing that for me i can still get a 10 if i correct my work i think am ganna correct it and post to her my answers for 18 and 20


One, who adopts patience, will never be deprived of success though it may take a long time to reach him. Imam ali (as)<3

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#41 2011-09-14 09:27:44

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

Re: Adding and Subtracting Rational Expressions

Hi;

Your welcome.


In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

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