What is simplify-2x^2+4-7x^2-4x+2-2+4x ?

The solution to simplify-2x^2+4-7x^2-4x+2-2+4x is -9x^2+4

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simplify-2x^2+4-7x^2-4x+2-2+4x

simplify

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

- 9 x^{2} + 4

Solution steps

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

Group like terms

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

Add similar elements:

- 2 x^{2} - 7 x^{2} = - 9 x^{2}

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

Add similar elements:

- 4 x + 4 x = 0

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

Add the numbers:

4 + 2 - 2 = 4

= - 9 x^{2} + 4

4 x y (x + 3 y)

\frac{6}{10 - 2}

\frac{0.001 + 1 - 1}{0.001}

(2 m^{3} + 1)^{2} - 4 m^{6} - 4 m^{3}

i^{131} - i^{9} + 1

What is simplify-2x^2+4-7x^2-4x+2-2+4x ?
The solution to simplify-2x^2+4-7x^2-4x+2-2+4x is -9x^2+4