factorize 16x^2-36y^2

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1 Answer

Both components are perfect squares, so the expression is the difference between squares.

There is also a common factor 4, so the first factorisation is 4(4x^2-9y^2) which factorises further: 

4(2x-3y)(2x+3y)

by Top Rated User (1.2m points)

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