expand 3x/2 +1 whole cube
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Step-by-step explanation:
(3x /( 2x +1 ))^3
(3x)^3 / (2x+1)3
(a+b)^3 = a^3 + 3a^2b+3ab^3+ b^3
(2x+1)^3 = (2x)^3 + 3×2x ×^2×1 + 3×2x×1^2 + 1^3
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