What is (-8x^2+5x+3)+(4x^2-7x-9) ?

The solution to (-8x^2+5x+3)+(4x^2-7x-9) is -4x^2-2x-6

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simplify (-8x^2+5x+3)+(4x^2-7x-9)

simplify

(- 8 x^{2} + 5 x + 3) + (4 x^{2} - 7 x - 9)

- 4 x^{2} - 2 x - 6

Solution steps

(- 8 x^{2} + 5 x + 3) + (4 x^{2} - 7 x - 9)

Simplify

(- 8 x^{2} + 5 x + 3) + (4 x^{2} - 7 x - 9) : - 8 x^{2} + 5 x + 3 + 4 x^{2} - 7 x - 9

= - 8 x^{2} + 5 x + 3 + 4 x^{2} - 7 x - 9

Group like terms

= - 8 x^{2} + 4 x^{2} + 5 x - 7 x + 3 - 9

Add similar elements:

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

= - 4 x^{2} + 5 x - 7 x + 3 - 9

Add similar elements:

5 x - 7 x = - 2 x

= - 4 x^{2} - 2 x + 3 - 9

Subtract the numbers:

3 - 9 = - 6

= - 4 x^{2} - 2 x - 6

- 5 (10 r + 4) + 8 (2 r - 3)

(- 5 k^{3})^{2}

- \frac{2}{3} - \frac{2}{7}

(- 6 x^{2} y^{3})^{3}

(2)^{2} + (5)^{2}

What is (-8x^2+5x+3)+(4x^2-7x-9) ?
The solution to (-8x^2+5x+3)+(4x^2-7x-9) is -4x^2-2x-6