(7x + 3b)3 – (5x + 3b)3 – 6x(7x + 36)(5x + 36) what is the answer?
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Step-by-step explanation:
21x + 9b - 15x - 9b - 6x ( 1296 + 35x2 + 36(5x + 7x)
21x + 9b - 15x - 9b - 6x ( 1296 + 35x2 + 432x)
6x- 6x ( 1296 + 35x2 + 432x)
6x - 7776x - 210x3 - 2592x2
-210x3 - 2592x2 - 7770x
∅⇄ →MARK ↔ BRAINLIEST← ⇆∅
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