Evaluate (-2x^2-2x+1)+(-8x^2-7)

$(- 2 x^{2} - 2 x + 1) + (- 8 x^{2} - 7)$

Step 1

Remove parentheses.

$- 2 x^{2} - 2 x + 1 - 8 x^{2} - 7$

Step 2

Subtract $8 x^{2}$ from $- 2 x^{2}$ .

$- 10 x^{2} - 2 x + 1 - 7$

Step 3

Subtract $7$ from $1$ .

$- 10 x^{2} - 2 x - 6$