Simplify (4x^2+2x+2)+(5x^2-2-x)

$(4 x^{2} + 2 x + 2) + (5 x^{2} - 2 - x)$

Step 1

Remove parentheses.

$4 x^{2} + 2 x + 2 + 5 x^{2} - 2 - x$

Step 2

Combine the opposite terms in $4 x^{2} + 2 x + 2 + 5 x^{2} - 2 - x$ .

Subtract $2$ from $2$ .

$4 x^{2} + 2 x + 5 x^{2} + 0 - x$

Add $4 x^{2} + 2 x + 5 x^{2}$ and $0$ .

$4 x^{2} + 2 x + 5 x^{2} - x$

Step 3

Add $4 x^{2}$ and $5 x^{2}$ .

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

Step 4

Subtract $x$ from $2 x$ .

$9 x^{2} + x$