Question

Simplify: (a+b+c)(a+b-c)​

Answer 1

Step-by-step explanation:

a(a+b+c) + b(a+b+c) +c(a+b+c)

a² + ab + ac + ab + b² + bc + ac + bc + c²

a² + 2ab + 2ac + 2bc + b² + c²

Answer 2

Answer:

Here is your answer

Step-by-step explanation:

I hope I helped you...