Question

a+b+c multiplied by (a+b-c) plzzz answer fast​

Answer 1

Answer:

${a}^{2} + ab - ac + ab + {b}^{2} - bc + ac + bc - {c}^{2} \\ {a}^{2} + 2ab + {b}^{2}$

is answer of this question

Answer 2

Step-by-step explanation:

I think the above answer is correct