SOLUTION: Factor completely:
9x2 – 36y2
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Question 42658This question is from textbook INTERMEDIATE ALGEBRA
: Factor completely:
9x2 – 36y2
This question is from textbook INTERMEDIATE ALGEBRA
Answer by tran3209(100) (Show Source): You can put this solution on YOUR website!
9x^2-36y^2
9(x^2-4y^2)
9(x^2-2^2y^2)
9[x^2-(2y)^2] Apply the formula A^2-B^2 = (A+B)(A-B)
9(x+2y)(x-2y)
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