Answer
-8$x^{2}$ + 18
Work Step by Step
(-3$x^{2}$ - 2x + 4) - ($x^{2}$ - 5x - 6) - (4$x^{2}$ + 3x - 8) =
Use the distributive property.
-3$x^{2}$ - 2x + 4 - $x^{2}$ + 5x + 6 - 4$x^{2}$ - 3x + 8 =
Group similar terms.
(-3$x^{2}$ - $x^{2}$ - 4$x^{2}$) + (-2x + 5x - 3x) + (4 + 6 + 8) =
Simplify.
-8$x^{2}$ + 18
