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#1 2007-04-27 02:24:49

Identity
Member
Registered: 2007-04-18
Posts: 934

Absolute Equation

Find all real values of x which fit the given equation:

I've tried graphing it and there are 5 zeros, but how do I find them algebraically?

Last edited by Identity (2007-04-27 02:29:35)

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#2 2007-04-27 03:51:55

Stanley_Marsh
Member
Registered: 2006-12-13
Posts: 345

Re: Absolute Equation


If x is positive , as u can see , it will be  (-1) + 1 + (-1)+1 + (-1) not equal to 0  , and because there are 5 pair , so one of those pairs must be 0 ,  therefore 5 solutions. x must great than -9

Last edited by Stanley_Marsh (2007-04-27 03:57:23)


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