What is (-5x^2+6x+7)+(-x^2+4x) ?

The solution to (-5x^2+6x+7)+(-x^2+4x) is -6x^2+10x+7

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simplify (-5x^2+6x+7)+(-x^2+4x)

simplify

(- 5 x^{2} + 6 x + 7) + (- x^{2} + 4 x)

- 6 x^{2} + 10 x + 7

Solution steps

(- 5 x^{2} + 6 x + 7) + (- x^{2} + 4 x)

Simplify

(- 5 x^{2} + 6 x + 7) + (- x^{2} + 4 x) : - 5 x^{2} + 6 x + 7 - x^{2} + 4 x

= - 5 x^{2} + 6 x + 7 - x^{2} + 4 x

Group like terms

= - 5 x^{2} - x^{2} + 6 x + 4 x + 7

Add similar elements:

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

= - 6 x^{2} + 6 x + 4 x + 7

Add similar elements:

6 x + 4 x = 10 x

= - 6 x^{2} + 10 x + 7

(- 12 + 10 i) + (4 - 8 i)

2 (2 x)

3.4 - 2.8 d + 2.8 d - 1.3

(yz + 1)^{5}

\frac{5 x}{x ^{2}}

What is (-5x^2+6x+7)+(-x^2+4x) ?
The solution to (-5x^2+6x+7)+(-x^2+4x) is -6x^2+10x+7