(a+b)³ -a³ - b³
simplify
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Answer:
3ab(a+b)
Step-by-step explanation:
- (a+b)³ - a³ - b³
- a³ + b³ + 3a²b + 3ab² - a³ - b³
- 3a²+3ab²
- 3ab(a+b) (ans)
Hope it helps....
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