What is (-5x^2-4x-1)+(-4x^2-4x) ?

The solution to (-5x^2-4x-1)+(-4x^2-4x) is -9x^2-8x-1

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simplify (-5x^2-4x-1)+(-4x^2-4x)

simplify

(- 5 x^{2} - 4 x - 1) + (- 4 x^{2} - 4 x)

- 9 x^{2} - 8 x - 1

Solution steps

(- 5 x^{2} - 4 x - 1) + (- 4 x^{2} - 4 x)

Simplify

(- 5 x^{2} - 4 x - 1) + (- 4 x^{2} - 4 x) : - 5 x^{2} - 4 x - 1 - 4 x^{2} - 4 x

= - 5 x^{2} - 4 x - 1 - 4 x^{2} - 4 x

Group like terms

= - 5 x^{2} - 4 x^{2} - 4 x - 4 x - 1

Add similar elements:

- 5 x^{2} - 4 x^{2} = - 9 x^{2}

= - 9 x^{2} - 4 x - 4 x - 1

Add similar elements:

- 4 x - 4 x = - 8 x

= - 9 x^{2} - 8 x - 1

\frac{21}{36}

\frac{1}{1 + cos ( x )} - \frac{1}{1 - cos ( x )}

(x + 8)^{3}

\frac{1}{2} \times (- 2)

\frac{56}{3}

What is (-5x^2-4x-1)+(-4x^2-4x) ?
The solution to (-5x^2-4x-1)+(-4x^2-4x) is -9x^2-8x-1