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Divide 5x^3 + 5x^2 +90 by x +3

0 votes

Divide 5x^3 + 5x^2 + 90 by x + 3.

asked Feb 20, 2014 in ALGEBRA 1 by futai Scholar

1 Answer

0 votes

Divident is 5x^3+5x^2+90

Divisor is x+3

x+3 ) 5x^3+5x^2+90 (5x^2-10x+30

        5x^3+15x^2

      (-)      (-)

       ____________

                -10x^2+90

                -10x^2-30x

               (+)       (+)

              ____________

                          30x+90   

                          30x+90

                          (-)    (-)

                        ___________

                                  0

Quotient is 5x^2-10x+30 and remainder is 0.

               

answered Feb 20, 2014 by ashokavf Scholar

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