Simplify by identity
(3x+4y)3
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Step-by-step explanation:
(a+b) ³ = a³+ b³+ 3ab ( a+b)
(3x)³+ (4y)³+ 3( 3x × 4y) ( 3x+4y)
27x³ +64y³+ 36xy × 7xy
27x³ + 64y³+ 252x²y²
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