Question

(a+b)(c-d)+(a-b)(c+d)+2(ac+bd)


find the answer
please ​

Answer 1

Answer:

here is your answer

Answer 2

Answer:

1. ac-ad+bc-bd+ac+ad-bc-bd+2(ac+bd)
2. 2ac-2bd+2ac+2bd
3. 4ac