Question

(a+b+c)2 - (a-b-c)2​

Answer 1

Answer:

Step-by-step explanation:

And take the 2 terms..

(a+b+c)²------1

(a-b-c)²--------2

Then according to laws of exponents

a²-b²=(a+b)(a-b)

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

2a