What is (9x+9)+(-9x^2-8x+6) ?

The solution to (9x+9)+(-9x^2-8x+6) is -9x^2+x+15

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simplify (9x+9)+(-9x^2-8x+6)

simplify

(9 x + 9) + (- 9 x^{2} - 8 x + 6)

- 9 x^{2} + x + 15

Solution steps

(9 x + 9) + (- 9 x^{2} - 8 x + 6)

Simplify

(9 x + 9) + (- 9 x^{2} - 8 x + 6) : 9 x + 9 - 9 x^{2} - 8 x + 6

= 9 x + 9 - 9 x^{2} - 8 x + 6

Group like terms

= - 9 x^{2} + 9 x - 8 x + 9 + 6

Add similar elements:

9 x - 8 x = x

= - 9 x^{2} + x + 9 + 6

Add the numbers:

9 + 6 = 15

= - 9 x^{2} + x + 15

3 z^{8} - 3 z^{2} + 12 z^{5}

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(8 x^{2} + 10) - (6 x - 2)

\frac{( x ^{3} - 64 )}{( x - 4 )}