23. (2a + 3b)3 + (2a – 3b)3 + 12a (4a² – 9b²)³
find the cubes in simplify
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Answer:
18b • (4a2 + 3b2)
Step-by-step explanation:
Evaluate : (2a+3b)3 = 8a3+36a2b+54ab2+27b3
Evaluate : (2a-3b)3 = 8a3-36a2b+54ab2-27b3
Pulling out like terms
Pull out like factors : 72a2b + 54b3 = 18b • (4a2 + 3b2)
ur welcome love<3 (its probably wrong IM SORRY)
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