SOLUTION: Show that the given value(s) of "c" are zeros of P(x), and find all other zeros of P(x). P(x)=x^3+2x^2-9x-18, c=-2

Algebra ->  Equations -> SOLUTION: Show that the given value(s) of "c" are zeros of P(x), and find all other zeros of P(x). P(x)=x^3+2x^2-9x-18, c=-2       Log On


   

Question 1125750: Show that the given value(s) of "c" are zeros of P(x), and find all other zeros of P(x).
P(x)=x^3+2x^2-9x-18, c=-2
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
-2   |   1   2   -9   -18
     |
     |      -2   0     18
     |_________________________
        1    0   -9     0


x%5E2%2B0x-9
x%5E2-9
%28x-3%29%28x%2B3%29


P%28x%29=%28x%2B2%29%28x%2B3%29%28x-3%29