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Answer:
x³ + 9x² + 27x + 27
Step-by-step explanation:
(x + 3)³ = (x + 3) (x + 3) (x + 3)
Using the distributive property and multiplying the terms:
(x + 3) (x + 3) (x + 3)
= (x² + 6x + 9) (x + 3)
= x³ + 6x² + 9x + 3x² + 18x + 27
= x³ + 9x² + 27x + 27
So, the answer is x³ + 9x² + 27x + 27 .