## Algebra and Trigonometry 10th Edition

$-x^3+8x^2+2x+7$
Let p(x) be the unknown polynomial: $p(x)-(-x^3+3x^2+2x-1)=5x^2+8$ $p(x)=(-x^3+3x^2+2x-1)+5x^2+8=-x^3+8x^2+2x+7$