What is (-10x^2+4)+(-9x-6) ?

The solution to (-10x^2+4)+(-9x-6) is -10x^2-9x-2

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simplify (-10x^2+4)+(-9x-6)

simplify

(- 10 x^{2} + 4) + (- 9 x - 6)

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

Solution steps

(- 10 x^{2} + 4) + (- 9 x - 6)

Simplify

(- 10 x^{2} + 4) + (- 9 x - 6) : - 10 x^{2} + 4 - 9 x - 6

= - 10 x^{2} + 4 - 9 x - 6

Group like terms

= - 10 x^{2} - 9 x + 4 - 6

Subtract the numbers:

4 - 6 = - 2

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

\frac{1}{6 a} - \frac{3}{4 a ^{2}}

(x + 5) (x + 3) - (x + 6) (x + 2)

10 c^{3} - 80 c^{5} - 5 c^{6} + 5 c^{7}

(2 r - 5) (2 r - 5)

(- 6 x^{2} + x - 6) - (4 x^{2} - 6 x - 4)