factorise 4x²-12xy+9y²-16z²
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Answer:
The ans is :- (2x-3y-4z) * (2x -3y +4z)
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(2x)^2-2*2x3y+(3y)^2-(4z)^2
(2x-3y)^2-(4z)^2
(2x-3y+4z)(2x-3y-4z)
(2x-3y)^2-(4z)^2
(2x-3y+4z)(2x-3y-4z)
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