Question

Can any help me in this equation If we , -2u²- u² = u² how ???

Answer 1

Answer:

I think something is error in the question....

-2u^2 should be 2u^2

Answer 2

Yes I can help you :-

Ans. - = -2u^2 - u^2 ( -1u^2 )

= u^2 ( 1u^2 )