SOLUTION: factor: {{{ x^3-3x^2+3x-9 }}}
please help with this question .
thanks!
Algebra.Com
Question 257990: factor:
please help with this question .
thanks!
Found 2 solutions by unlockmath, CharlesG2:
Answer by unlockmath(1688) (Show Source): You can put this solution on YOUR website!
Hello,
I'll walk you through this and see if it makes sense.
x^3-3x^2+3x-9
Work with the first two terms and then the last two terms to give us:
x^2(x-3)+3(x-3) Now watch,since we have two (x-3) we can do the following:
(x^2+3)(x-3)
There we go. It's factored.
RJ
Check out a new book I wrote at:
www.math-unlock.com
Answer by CharlesG2(834) (Show Source): You can put this solution on YOUR website!
factor:
x^2(x-3)+3(x-3)
(x^2+3)(x-3) --> check with foil (first outer inner last)
x^3-3x^2+3x-9
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