(3x+y)³ — find the answer
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Step-by-step explanation:
(3x+y)³
(a+b)³= a³+b³+3a²b+3ab²
(3x)³ + (y)³ + 3(3x)²(y) + 3(3x)(y)²
27x³ + y³ + 27x²y + 9xy²
27x³ + 27x²y + y³ + 9xy²
27x²( x + y ) + 9y²( y + x )
27x²( x + y ) + 9y²( x + y )
( 27x² + 9y² ) ( x+ y)
9( 3x² + y² ) ( x+y) Answer
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