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

1 Answer
Apr 28, 2017

Answer:

#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#