what will be the answer fot16(2x-1)^2-25y^2
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Given :-
= 16(2x - 1)^2 - 25y^2
= 16{(2x)^2 + (1)^2 - 2(x)(1)} - 25y^2
= 16{4x^2 + 1 - 2x} - 25y^2
= 64x^2 + 16 - 32x - 25y^2
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