What is (-10x^2+9)+(8x^2-5x+7) ?

The solution to (-10x^2+9)+(8x^2-5x+7) is -2x^2-5x+16

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simplify (-10x^2+9)+(8x^2-5x+7)

simplify

(- 10 x^{2} + 9) + (8 x^{2} - 5 x + 7)

- 2 x^{2} - 5 x + 16

Solution steps

(- 10 x^{2} + 9) + (8 x^{2} - 5 x + 7)

Simplify

(- 10 x^{2} + 9) + (8 x^{2} - 5 x + 7) : - 10 x^{2} + 9 + 8 x^{2} - 5 x + 7

= - 10 x^{2} + 9 + 8 x^{2} - 5 x + 7

Group like terms

= - 10 x^{2} + 8 x^{2} - 5 x + 9 + 7

Add similar elements:

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

= - 2 x^{2} - 5 x + 9 + 7

Add the numbers:

9 + 7 = 16

= - 2 x^{2} - 5 x + 16

\frac{3 x}{x ^{2}}

(y - 2)^{3}

lo g_{125} (9) lo g_{81} (5)

(x) (6 x) (- 2 x) (- x)

(3 + x)^{2}

What is (-10x^2+9)+(8x^2-5x+7) ?
The solution to (-10x^2+9)+(8x^2-5x+7) is -2x^2-5x+16