Question

Subtract a2+b2-2ab from a2+b2+2ab .

Answer 1

Question :-

Subtract a²+b²-2ab from a²+b²+2ab

Note :-

same sign = addition

Opposite sign = subtraction

Solution:-

a²+b²+2ab-(a²+b²-2ab)

=a²+b²+2ab-a²-b²+2ab

=a²-a²+b²-b²+2ab+2ab

=4ab

Answer 2

Answer:

4ab

Step-by-step explanation:

(a2+b2+2ab)-(a2+b2-2ab)

=a2+b2+2ab-a2-b2+2ab

=4ab