(a-b)^3 - (a+b)^3
Complete identity
Answers
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0
Step-by-step explanation:
(a-b)³-(a+b)³=a³-3ab(a-b)-b³-[a³+3ab(a+b)+b³]
=a³-3a²b+3ab²-b³-a³-3a²b-3ab²-b³
= -6a²b
Answered by
2
Answer:
-6a^b is correct answer
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