Question

(a+b+c)(a+b-c) multiply​

Answer 1

Please give me 10 thanks and don't mark me as brainliest pls mark the other guy as brainliest

Answer 2

Answer:

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

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

2ab + 2ac + 2bc + a2 + b2 + c2