Simplify 3x^2-x+7+5x+2-2x^2

$3 x^{2} - x + 7 + 5 x + 2 - 2 x^{2}$

Step 1

Subtract $2 x^{2}$ from $3 x^{2}$ .

$x^{2} - x + 7 + 5 x + 2$

Step 2

Add $- x$ and $5 x$ .

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

Step 3

Add $7$ and $2$ .

$x^{2} + 4 x + 9$