Question

Please help me i really need it simplify 5x(5-4)

A. 6x-20

B. 5x-20x

C. 5x^2-20x

D. 5x^-20

Answer 1

The answer is C.

Explanation:

You have to use Distributive Law, a(b+c) = ab + ac. So for this question :

`5x(x - 4) \\ = 5x(x) + 5x( - 4) \\ = 5 {x}^(2) - 20x`