Factor the expression completely: x³y - 4xy

asked Jan 13, 2018 182k views

1 vote

Factor the expression completely:
x³y - 4xy

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1 vote

Factor out the gcf
xy(x^2-4)

The inner binomial can be factored using the difference of squares.
xy(x+2)(x-2)

Final answer: xy(x+2)(x-2)

Alexia answered Jan 13, 2018

7.6k points

4 votes

see attached picture for the answer:

Blackaardvark answered Jan 18, 2018