Question

F(x) = 5x + 4
g(x) = 5x2 – 7x – 2
Find: f(x) · g(x)

Answer 1

`25x^(3)-15x^(2) -38x-8`

Explanation:

Multiply the equations together

(5x+4)(5x^2-7x-2)

25x^3-35x^2-10x+20x^2-28x-8

Add like terms

25x^3-15x^2-38x-8