Question

Given that f(x) = x^2 + 16x + 63 and g(x) = x + 9, find f(x) + g()

Answer 1

f(x) + g(x) = x² + 17x + 72

If you want to factor that, then it comes out as:

f(x) + g(x) = (x + 8)(x + 9)

Explanation:

`f(x) + g(x)\\= x^2 + 16x + 63 + x + 9\\= x^2 + 17x + 72\\= (x + 8)(x + 9)`