Question

Let f(x) = x + 7 and g(x) = x − 4. Find f(x) ⋅ g(x).

x2 − 3x −28
x2 − 3x − 11
x2 + 3x − 28
x2 + 3x − 11

Answer 1

Explanation:

(x + 7)(x - 4) = x^2 - 4x + 7x - 28 = x^2 + 3x - 28