SOLUTION: how do i factor 4x squared minus 81y squared

SOLUTION: how do i factor 4x squared minus 81y squared

Algebra.Com

Question 278017: how do i factor 4x squared minus 81y squared
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
4x^2-81y^2
(2x-9y)*(2x+9y)
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