Simplify:
(a2+b2- ab) + (a2+b2+ ab) – (2a2+ 2ab
Answers
Answered by
6
Answer:
First we should open the bracket
=a2+ b2 + 2ab - a2 - b2 + 2ab
= a2 - a2 + b2 - b2 + 2ab + 2ab
= 4ab
Answered by
2
Answer:
a2+b2+2ab-a2-b2+2ab
a2-a2-b2-b2+2ab+2ab
=4ab
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