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Simplify. (a + b + c)(a + b – c)....................................

Simplify. 
 (a + b + c)(a + b – c)....................................

Grade:12

1 Answers

Harshit Singh
askIITians Faculty 5963 Points
3 years ago
Dear Student

(a + b + c)(a + b–c)
= a^2+ ab - ac + ab + b^2- bc + ac + bc - c^2
= a^2+ b^2- c^2+ 2ab

Thanks

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