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OpenStudy (anonymous):
(x+1)(x^2+2x-4) how to multiply this polynomial?
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OpenStudy (anonymous):
We distribute the x, then the 1: \((x+1)(x^2+2x-4) =x^3+2x^2-4x+x^2+2x-4=x^3+3x^2-2x-4 \)
jimthompson5910 (jim_thompson5910):
You can think of (x+1)(x^2+2x-4) as x(x^2+2x-4) + 1(x^2+2x-4)
jimthompson5910 (jim_thompson5910):
Distribute that and combine like terms to simplify
OpenStudy (anonymous):
yeah I got it thanx. my answer is correct
jimthompson5910 (jim_thompson5910):
yw
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