Question

simplify(ab-c)²+2abc ​

Answer 1

Answer:

Let's simplify step-by-step.

(ab−c)2+2abc

Distribute:

=a2b2+−2abc+c2+2abc

Combine Like Terms:

=a2b2+−2abc+c2+2abc

=(a2b2)+(−2abc+2abc)+(c2)

=a2b2+c2

Answer:

=a2b2+c2

Answer 2

Answer:

(ab - c)2 + 2abc = (ab)2-2(ab)(c) + (c)2 + 2abc = a2b2-2abc + c2 + 2abc = a2b2 + c2 Therefore, (ab - c)2 + 2abc = a2b2 + c2