write in expanded form (3/2x + 1)^3
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Step-by-step explanation:
(3/2x+1)³
3³/(2x+1)³
27/(2x)³+1³+3*2x*1(2x+1)
27/8x³+1+6x(2x+1)
27/8x³+12x²+6x+1
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