Question

(a - b)³ with proof
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Answer 1

Answer:

a^3-b^3-3ab(a-b)

Step-by-step explanation:

(a-b)^3=(a-b) (a-b)^2

=(a-b) (a^2-b^2-2ab)

=a^3-b^3-3a^2b+3ab^2

=a^3-b^3-3ab(a-b)

hope it helps

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