The binomial x + 3 is the divisor of 2x3 – x2 – 18x + 9. Use complete sentences to explain how you use (either) polynomial division or synthetic division to find the quotient. Be sure to provide this quotient in your answer.

Question

jhonyy9 · Answer

2x^3 -x^2 -18x +9 / x+3 = 2x^2 -7x +3
2x^3 +6x^2
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  0     -7x^2 -18x
         -7x^2 -21x
       ------------
             0       3x +9
                      3x +9
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                        0   0