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Simplify the expression (x^3-5x^2+7x-12)/(x-4) using long division. Show your work

Guest Oct 26, 2017
 #1
avatar+90053 
+2

(x^3-5x^2+7x-12)/(x-4) 

 

 

           x^2  -  x     +  3

x - 4 [ x^3  -5x^2  +  7x  -12  ] 

          x^3  -4x^2

         ___________________

                  -x^2   +  7x

                  -x^2  +   4x

                  ______________

                              3x   -  12

                              3x   -  12

                              ________

 

 

 

cool cool cool

CPhill  Oct 26, 2017
 #2
avatar+20033 
+1

Simplify the expression (x^3-5x^2+7x-12)/(x-4) using long division.

Show your work

 

Polynomial long division:

\(\begin{array}{|rcll|} \hline \dfrac{x^3-5x^2+7x-12}{x-4} &=& x^2-x+3 \\ \hline \end{array}\)

 

 

laugh

heureka  Oct 27, 2017
edited by heureka  Oct 27, 2017

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