What is (-10x^2-1)+(-8x^2+8x-8) ?

The solution to (-10x^2-1)+(-8x^2+8x-8) is -18x^2+8x-9

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simplify (-10x^2-1)+(-8x^2+8x-8)

simplify

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

- 18 x^{2} + 8 x - 9

Solution steps

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

Simplify

(- 10 x^{2} - 1) + (- 8 x^{2} + 8 x - 8) : - 10 x^{2} - 1 - 8 x^{2} + 8 x - 8

= - 10 x^{2} - 1 - 8 x^{2} + 8 x - 8

Group like terms

= - 10 x^{2} - 8 x^{2} + 8 x - 1 - 8

Add similar elements:

- 10 x^{2} - 8 x^{2} = - 18 x^{2}

= - 18 x^{2} + 8 x - 1 - 8

Subtract the numbers:

- 1 - 8 = - 9

= - 18 x^{2} + 8 x - 9

18 \div 6

\frac{1}{2} (8 x^{2} + 4 x - 2) - \frac{1}{3} (6 x^{2} + 3 x - 9)

\frac{3}{4} \div \frac{5}{6}

(m - 2) (m + 15)

(- 3 y^{2} - 5 y - 2) + (- 7 y^{2} + 5 y + 2)

What is (-10x^2-1)+(-8x^2+8x-8) ?
The solution to (-10x^2-1)+(-8x^2+8x-8) is -18x^2+8x-9