SOLUTION: Use the “difference of squares” rule to factor the following expression: 36x^2 - 9y^2

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Question 550942: Use the “difference of squares” rule to factor the following expression:
36x^2 - 9y^2
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
36x^2 - 9y^2


9(4x^2 - y^2)


9((2x)^2 - y^2)


9(2x-y)(2x+y)