( x + 3 )³ = x³ + 9x² + ____ + 27
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the correct answer is 27x....
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(a + b)³ = a³ + 3a²b + 3ab² + b³
(x + 3)³ = x³ + 3(x)²(3) + 3(x)(3)² + (3)³
(x + 3)³ = x³ + 9x² + 27x + 27
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