Answer
3$x^{4}$ - 4$x^{2}$ + 5
Work Step by Step
1. Use the distributive property to distribute the negative sign.
$x^{4}$ - 3$x^{2}$ + 2 + 2$x^{4}$ - $x^{2}$ + 3
2. Group like terms together.
$x^{4}$ + 2$x^{4}$ - 3$x^{2}$ - $x^{2}$ + 2 + 3
3. Add like terms.
3$x^{4}$ - 4$x^{2}$ + 5
