Homework Help: Factor Completely

Posted by Jennifer on Sunday, January 25, 2009 at 8:48am.

c^2 - 4c - 32

I got

(c - 4) (c - 8)

but i think its wrong because the do not match to make it squared, what am I doing wrong?

Factor Completely - drwls, Sunday, January 25, 2009 at 8:53am
Nothing gets squared. When you "FOIL" multiply your factors, you do not get the right polynomial. That must be what you mean.

The correct factors are (c+4)(c-8). One of the constants has to be odd and the other has to be even to get -32 as the last term.
Factor Completely - hakim, Tuesday, June 14, 2011 at 12:13pm
Factor Completely: 2x2 - 32

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