Step-by-step explanation:
1. Simplify the parentheses so it would be
2x-6x^2
2. Next you put it with the rest of the equation
So it would be …
5x^2+2x-6x^2
3. Lastly you do...
5x^2-6x^2 which is -x^2
This means that the answer is 2x-x^2
