Evaluate (3x^2+4x-1)+(-2x^2-3x+2)

$(3 x^{2} + 4 x - 1) + (- 2 x^{2} - 3 x + 2)$

Remove parentheses.

$3 x^{2} + 4 x - 1 - 2 x^{2} - 3 x + 2$

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

$x^{2} + 4 x - 1 - 3 x + 2$

Subtract $3 x$ from $4 x$ .

$x^{2} + x - 1 + 2$

Add $- 1$ and $2$ .

$x^{2} + x + 1$