The value of 4m^2-a^2+2ab-b^2/2m+a-b is
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Step-by-step explanation:
4m²-(a²-2ab+b²)
=(2m)²- (a-b)²
=(2m-a+b)(2m+a-b)
4m²-a²+2ab-b²/2m+a-b
= (2m-a+b)(2m+a-b)/(2m+a-b)
=2m-a+b
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