Question

pls multiply this T_T PLS .....​

Answer 1

Answer:

(a+b)^2 - c^2

Step-by-step explanation:

hope this will help you...

happy learning....

Answer 2

Step-by-step explanation:

$(a + b + c)(a + b - c) \\ = (a + b)^{2} - {c}^{2} \\ = {a}^{2} + {b}^{2} + 2ab - {c}^{2}$