show that (3x + 4y)² - 48xy = (3x - 4y²)
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Step-by-step explanation:
on taking LHS ,
(3x+4y)²-48xy= 9x²+16y²+24xy-48xy
9x²+16y²-24xy which is equal to (3x-4y)² so, (3x-4y)²=(3x-4y)²
LHS =RHS
hence proved
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