Find the sum of 10x squared - x+1 and x squared-10x-7

11x^2 - 11x - 6

Step-by-step explanation:

I'm guessing you mean:

(10x^2 - x + 1) + (x^2 - 10x - 7)

First you combined like terms:

Such as:

10x^2 + x^2

-x - 10x

1 - 7

There's your answer.

11x^2 - 11x - 6