Question

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

Answer 1

f(x) = x⁷

g(x) = x - 4

f(x).g(x) = x⁷*(x - 4) = x⁸ - 4x⁷

Answer 2

x^2+3x-28

Explanation:

(x+7)(x-4) multiply the parentheses

x^2-4x+7x-28 combine like terms

x^2+3x-28