Question

(3x+y)³ — find the answer ​

Answer 1

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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