Question

(a-b)³ identity formula
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Answer 1

Answer:

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

Step-by-step explanation:

This is the answer. You can check the internet if you want to confirm it

Answer 2

Answer:

(a-b)^3

=(a-b)(a-b)(a-b)

=a^3-3×a^2×b+3×a×b^2-b^3

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