Question

What is and how do you do it?

H(x) = 4x-2
G(x) = x^2 -5

Find h(x) + g(x)

Answer 1

$h(x)=4x-2\\\\(x)=x^2-5\\\\h(x)+g(x)=(4x-2)+(x^2-5)=x^2+4x+(-2-5)\\\\=x^2+4x-7$