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

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

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

simplify

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

x^{2} + 12 x - 10

Solution steps

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

Group like terms

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

Add similar elements:

- 8 x^{2} - (- 9) x^{2} = x^{2}

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

Add similar elements:

8 x + 4 x = 12 x

= x^{2} + 12 x - 10

- 0.4 (7 g + 6) + 0.1 (6 g + 8)

144 + 32 x^{2} - x^{4}

\frac{5}{8} - \frac{9}{20}

(4^{12}) (4^{6})

x^{2} x x^{3}

What is simplify-8x^2+8x-10-(-9)x^2+4x ?
The solution to simplify-8x^2+8x-10-(-9)x^2+4x is x^2+12x-10