Expand: (3x + 2)^3 - Vidyadip

Question

Expand:
$(3x + 2)^3$

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Answer

$(3x + 2)^3$
$= (3x)^3 + 3 \times (3x)^2x^2 + 3 \times 3x \times (2)^2 + (2)^3$
$= 27x^3 + 54x^2 + 36x + 8$

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