How do you divide (2x^3+15x+12) /(x+1) using polynomial long division?

1 Answer
Alan P. ยท Veddesh phi
Nov 16, 2015

2x^2-2x+17-5/(x+1) with remainder (-5)
(see Explanation for polynomial long division)

Explanation:

{: (,,color(blue)(2x^2),color(blue)(-2x),color(blue)(+17),), (,,"----","------","------","-----"), (x+1,")",2x^3,,+15x,+12), (,,2x^3,+2x^2,,), (,,"----","------",,), (,,,-2x^2,+15x,), (,,,-2x^2,color(white)("X")-2x,), (,,,"------","-------",), (,,,,color(white)("X")17x,color(white)("X")12), (,,,,color(white)("X")17x,+17), (,,,,"-------","------"), (,,,,,color(red)(-5)) :}

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