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#1 2006-12-28 11:16:49

Neha
Member
Registered: 2006-10-11
Posts: 173

Help with dividing!

divide x^3 + 2x - 1 by x + 3


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#2 2006-12-28 11:39:08

mathsyperson
Moderator
Registered: 2005-06-22
Posts: 4,900

Re: Help with dividing!

(x³ + 2x - 1)/(x+3)
(x³ + 3x² - 3x² + 2x - 1)/(x+3)
x² + (-3x² + 2x - 1)/(x+3)
x² + (-3x² - 9x + 11x - 1)/(x+3)
x² - 3x + (11x - 1)/(x+3)
x² - 3x + (11x + 33 - 34)/(x+3)
x² - 3x + 11 - 34/(x+3)


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