Question

Let f( x)=2x^2+7x and g(x)=-8x^2-3x+5. What is g(x)+f(x)?

Answer 1

-6x^2+4x+5

Explanation:

g(x)+f(x)=(-8x^2-3x+5)+(2x^2+7x)

=-8x^2-3x+5+2x^2+7x

=-8x^2+2x^2-3x+7x+5

=-6x^2+4x+5