What's the formula of (a+b)³ = ?

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asked Dec 27, 2022 141k views

2 votes

What's the formula of

(a+b)³ = ?

Mathematics
high-school

Kccqzy asked

by Kccqzy

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Answer:

(a+b)³=a³+3a²b+3ab²+b³

Elle Mundy answered Dec 27, 2022

by Elle Mundy

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7 votes

Answer:

Explanation:

Hello!

(a+b)(a+b)(a+b)

(a+b)(a+b) = a²+2ab + b²

(a²+2ab + b²) (a+b)=

a³ + a²b + 2a²b + 2ab² + ab² + b³ =

a³ + b³ + 2a²b + 2ab² + ab² + a²b

Meike answered Dec 31, 2022

by Meike

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