64a³+8b³ factorise help me
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Answer:
64a³+8b³
=(4a)³+(2b)³
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Step-by-step explanation:
( 4a + 2b)³
(4a)³ + 3×(4a)²×2b+ 3×4a×(2b)² + ( 2b)³
64a²+ 384a²b + 48ab² + 8b³
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