Answer with explainaition please
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Answered by
1
Step-by-step explanation:
(4x+2y)³+(4x-2y)³
=(4x+4x)³+(2y-2y)3
=8x³+0³
8xpower6
Answered by
1
Answer:
128x³+96xy²
Step-by-step explanation:
(a + b)³= a³ + b³ + 3ab(a + b)
(a - b)³=a³-b³-3ab(a - b)
(a + b)³+(a - b)³=2a³+6ab²
a=4x b=2y
2(4x)³+6(4x)(2y)²
2(64x³)+6(4x)(4y²)
128x³+96xy²
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