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This is polynomial long division, and I can't always remember the right steps.

 

(x^3-5x^2+7x-12) divided by (x-4)

 

Simplify the expression using long division. Show your work.

 

Please and thank you! 0^>

PhoenixForever  Nov 14, 2018

Best Answer 

 #1
avatar+14579 
+2

 

 

                      x^2 - x +3

x-4  |   x^3 - 5x^2 +7x - 12

           x^3 -4x^2

          ________________

                    -x^2 +7x -12

                   - x^2 +4x

________________________

                            3x - 12

                            3x - 12

_________________________

                                  0    remainder

ElectricPavlov  Nov 14, 2018
 #1
avatar+14579 
+2
Best Answer

 

 

                      x^2 - x +3

x-4  |   x^3 - 5x^2 +7x - 12

           x^3 -4x^2

          ________________

                    -x^2 +7x -12

                   - x^2 +4x

________________________

                            3x - 12

                            3x - 12

_________________________

                                  0    remainder

ElectricPavlov  Nov 14, 2018

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