(2a + 3b)3 + (2a – 3b)3
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Answer:
12a
Step-by-step explanation:
(2a + 3b)3 + (2a - 3b)3
MULTIPLYING BY 3
(6a + 9b) + (6a - 9b)
6a + 9b + 6a - 9b
12a
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