Question

(x²+x)-(2x²-x+1) where x=-2​

Answer 1

Step-by-step explanation:

The answer is (x²+2)

2x+2x²-x+2-x²-x [question]

= 2x²-x²+2x-x-x+2

= x²+2x-2x+2

= (x²+2) → answer

Answer 2

Here is your answer:

(x²+x)-(2x²-x+1)

value of x=2

(2²+2)-(2×2²-2+1)

6-(8-1)

6-7

=-1

-1 is the answer