What is 2-4y-7y^2+5y^2+5+4y-2y ?

The solution to 2-4y-7y^2+5y^2+5+4y-2y is -2y^2-2y+7

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simplify 2-4y-7y^2+5y^2+5+4y-2y

simplify

2 - 4 y - 7 y^{2} + 5 y^{2} + 5 + 4 y - 2 y

- 2 y^{2} - 2 y + 7

Solution steps

2 - 4 y - 7 y^{2} + 5 y^{2} + 5 + 4 y - 2 y

Add similar elements:

- 7 y^{2} + 5 y^{2} = - 2 y^{2}

= 2 - 4 y - 2 y^{2} + 5 + 4 y - 2 y

Group like terms

= - 2 y^{2} - 4 y + 4 y - 2 y + 2 + 5

Add similar elements:

- 4 y + 4 y - 2 y = - 2 y

= - 2 y^{2} - 2 y + 2 + 5

Add the numbers:

2 + 5 = 7

= - 2 y^{2} - 2 y + 7

\frac{x + 3}{3} + \frac{3 x - 2}{12}

(9 x + 18) - (- 7 x + 28)

\frac{3}{2} - \frac{1}{5}

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

5 x + 6 x

What is 2-4y-7y^2+5y^2+5+4y-2y ?
The solution to 2-4y-7y^2+5y^2+5+4y-2y is -2y^2-2y+7