What is simplify-5x^2+x+9+(-9)x^2+9x ?

The solution to simplify-5x^2+x+9+(-9)x^2+9x is -14x^2+10x+9

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simplify-5x^2+x+9+(-9)x^2+9x

simplify

- 5 x^{2} + x + 9 + (- 9) x^{2} + 9 x

- 14 x^{2} + 10 x + 9

Solution steps

- 5 x^{2} + x + 9 + (- 9) x^{2} + 9 x

Group like terms

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

Add similar elements:

- 5 x^{2} - 9 x^{2} = - 14 x^{2}

= - 14 x^{2} + x + 9 x + 9

Add similar elements:

x + 9 x = 10 x

= - 14 x^{2} + 10 x + 9

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What is simplify-5x^2+x+9+(-9)x^2+9x ?
The solution to simplify-5x^2+x+9+(-9)x^2+9x is -14x^2+10x+9