Simplify (a+b)^3-( a^3+ b^3)
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Answer:
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payal323:
please see question first
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3
Answer:
3ab(a+b).
Step-by-step explanation:
(a+b)³ - (a³+b³)
= a³+b³+3ab(a+b)-(a³+b³)
= a³+b³+3a²b+3ab²-a³-b³
= 3a²b+3ab²
= 3ab(a+b) .......... this is the answer
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