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

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

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

simplify

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

6 x^{2} - x + 4 y - 8

Solution steps

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

Group like terms

= - 3 (x^{2} + x) + 9 x^{2} + 2 x + 4 y - 3 - 5

Subtract the numbers:

- 3 - 5 = - 8

= - 3 (x^{2} + x) + 9 x^{2} + 2 x + 4 y - 8

Expand

- 3 (x^{2} + x) : - 3 x^{2} - 3 x

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

Group like terms

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

Add similar elements:

- 3 x^{2} + 9 x^{2} = 6 x^{2}

= 6 x^{2} - 3 x + 2 x + 4 y - 8

Add similar elements:

- 3 x + 2 x = - x

= 6 x^{2} - x + 4 y - 8

(- 78) + 69

\frac{( 4 + 2 i )}{( 1 + i )}

\frac{20}{88}

(4 - 4 sin (x)) (4 + 4 sin (x))

(2 w - p) (2 p + w)

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