Question

i just wanna know that is this answer I wrong or right​

Answer 1

Maybe this answer is correct

sorry that's wrong

Answer 2

Answer:

answer is wrong because the way you solved it is not correct.

In the third line of solution,you have added the numbers inside the bracket. Instead, you shoud multiply the number inside the bracket according to it's power.

3(-1)+4(1)+3(1/-1)^2

-3+4+3(1)

-3+4+3

=4