simplify expression (a+b)^3-(a-b)^3
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( a + b) ³ - ( a - b )³
- a³ + b³ + 3a²b + 3ab² - ( a³ + b³ - 3a²b + 3ab² )
- a³ + b³ + 3a²b + 3ab² - a³ - b³ + 3a²b - 3ab²
- 6a²b
Answer of the question is 6a²b
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