Question

simplify (a+b+c)(a+b-c)algebraic expression ​

Answer 1

[(a+b)+c][(a+b)-c]

(a+b)^2 - c^2

a^2 + b^2 + 2ab - c^2

a^2 + b^2 - c^2 + 2ab

Answer 2

a2 + ab - ac + ab + b2 - bc + ac + cb - c2

= a2 + 2ab + b2 - c2