Question

(a-b-c)²= please answer​

Answer 1

Answer:

a^2+b^2+c^2 -2 (ab+bc+ca)

Step-by-step explanation:

a^2+b^2+c^2 -2 (ab+bc+ca)

Answer 2

a2 -b2-3ab (a+b) =(a-b-c)2
Hope my answer will help you