Question

what is the solution of (a -b -c)2

Answer 1

Answer:

Hey mate here is your answer....

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

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

a²-ab-ac-ab+b2+bc-ac+bc+c²

a²+b²+c²-2ac+2bc-2ab

Hope it helps you...

Answer 2

Step-by-step explanation:

=(a-b-c)2

=a2+b2+c2+2cb-2ac-2ac