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Question 157311: Divide
x^3+2x^2+x+12/(x+3)
Answer by checkley77(12844)   (Show Source):
You can put this solution on YOUR website! ARE YOU STILL CONVINCED THIS IS THE WRONG ANSWER WITH THE ADDITION OF THE PROOF???
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x^3+2x^2+x+12/(x+3)
/////x^2-x+4
////______________
x+3)x^3+2x^2+x+12
////x^3+3x^2
////--------
///////-x^2+x
///////-x^2-3x
///////----------
///////////4x+12
///////////4x+12
///////////-----
answer: x^2-x+4
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PROOF:
x^2-x+4
x+3
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x^3-x^2+4x+3x^2-3x+12
x^3+2x^2+x+12
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