Question

please answer fast it's an emergency

Answer 1

= > (2x-x^2+5)+(-4x-3+7x^2) - 5
= > 2x - x^2 + 5 - 4 x- 3 + 7x^2 -5

6x^2- 2x - 3 is the answer

Answer 2

1) -2x+ 6x square +2 is the answer when we add 2x-x square+5 and-4x-3+7x square

2) 3+2x-6x square is the answer when we subtract the sum of the above equation by 5