What is (-2x^2-2x+1)+(-8x^2-7) ?

The solution to (-2x^2-2x+1)+(-8x^2-7) is -10x^2-2x-6

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

simplify

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

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

Solution steps

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

Simplify

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

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

Group like terms

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

Add similar elements:

- 2 x^{2} - 8 x^{2} = - 10 x^{2}

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

Subtract the numbers:

1 - 7 = - 6

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

1 - \frac{cos ^{2} ( θ )}{1 + sin ( θ )}

\frac{x}{x ^{4}}

(x + 10) (x - 10)

\frac{1}{3} x^{3}

\frac{r ^{2}}{2 r ^{3}}

What is (-2x^2-2x+1)+(-8x^2-7) ?
The solution to (-2x^2-2x+1)+(-8x^2-7) is -10x^2-2x-6