SOLUTION: Show using Synthetic Division that x+2 is a factor of x^3 + 7x^2 + x-18

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Question 1111233: Show using Synthetic Division that x+2 is a factor of x^3 + 7x^2 + x-18
Answer by josgarithmetic(39618) About Me  (Show Source):
You can put this solution on YOUR website!
-2   |   1   7   1   -18
     |
     |      -2   -10  18
     |__________________________
        1   5   -9     0

Remainder shown to be 0, so -2 IS a root and x+2 IS a factor.