Question

PLSSSSSSS ANS MEEEEEEEEEE ​

Answer 1

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

Explanation:

(a+b)^2-c^2

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

Answer 2

`( {a}^(2) + ab \: - ac) + (ab \: + {b }^(2) - bc) + (ac \: + cb \: - {c}^(2) ) = 2ab \: + {a}^(2) + {b}^(2) - {c }^(2)`