Simplify 3x^2-2x+5-x^2+4x-8

$3 x^{2} - 2 x + 5 - x^{2} + 4 x - 8$

Step 1

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

$2 x^{2} - 2 x + 5 + 4 x - 8$

Step 2

Add $- 2 x$ and $4 x$ .

$2 x^{2} + 2 x + 5 - 8$

Step 3

Subtract $8$ from $5$ .

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