Homework Help: math

Posted by lomas on Tuesday, October 26, 2010 at 10:31pm.

Need help with factoring this problem. Just want to make sure I followed the right steps.

X^3-2X^2-X+2

there are four terms so i used grouping method

X^2(X-2)(-1)(X-2)

(X-2) (X^2-1)
(X-2) (X-1) (X+1)

Correct?

math - jai, Tuesday, October 26, 2010 at 10:44pm
correct~ :)

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