factorize
9x(5x-4y) -12x^2(5x-4y)
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Step-by-step explanation:
(9x-12x^2) (5x-4y)=0. 3x(3-4x) =0 ; 5x-4y=0. 3-4x=0. x=4y/5. x=-3/-4=3/4
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