(a + b) (a + b)² please expand it
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Answered by
1
Answer:
(a+b)(a+b)(a+b)
Step-by-step explanation:
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Answered by
2
Answer:
= (a+b) [ (a)²+(b)²+2ab ]
= (a+b) (a²+b²+2ab)
= a³ + ab² + 2a²b + a²b + b³ + 2ab²
= a³ + 3ab² + 3a²b + b³
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