expand (3 x - 2) cube
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We know that,
( a - b )³ = a³ - b³ - 3 a²b + 3ab²
( 3x-2 )³ = (3x)³ - (2)³ - 3 * (3x)² * 2 + 3 * 3x * (2)²
= (27x³) - (8) - (3 * 9x² * 2) + (3 * 3x * 4)
= 27x³ - 8 - 54x² + 36x
So, the answer is 27x³ - 54x² + 36x - 8.
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