Question

What is `(-8x^2 + 6x + 4)+(18x^2-4x-14)`?

Answer 1

It is

#(-8x^2 + 6x + 4)+(18x^2-4x-14)=(18x^2-8x^2)+(6x-4x)+(4-14)= 10x^2+2x-10#