How do you multiply 2y(y-4)?

1 Answer
Apr 28, 2017

2y^2 - 8y

Explanation:

Use distribution a(b + c) = ab + ac and the exponent rules x = x^1 " and " x^m * x^n = x^(m + n):

Given: 2y (y - 4)

Distribute: 2y (y - 4) = 2y y + 2y(-4)

Simplify using multiplication and the exponent rules:

= 2y^2 -8y