What is 9x^2-4-10x^2+9x-8 ?

The solution to 9x^2-4-10x^2+9x-8 is -x^2+9x-12

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simplify 9x^2-4-10x^2+9x-8

simplify

9 x^{2} - 4 - 10 x^{2} + 9 x - 8

- x^{2} + 9 x - 12

Solution steps

9 x^{2} - 4 - 10 x^{2} + 9 x - 8

Group like terms

= 9 x^{2} - 10 x^{2} + 9 x - 4 - 8

Add similar elements:

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

= - x^{2} + 9 x - 4 - 8

Subtract the numbers:

- 4 - 8 = - 12

= - x^{2} + 9 x - 12

1 a

8 (\frac{1}{3})

32 + 98

(12)^{3}