Question

Add.
(2x^2 + 4 - x^3) + (-4x^2+ 6x^3 – 2)

Answer 1

5x^3 - 2x^2 + 2

Explanation:

First, distribute the addition sign to get rid of the parentheses

2x^2 +4 -x^3 -4x^2 +6x^3 -2

then combine like terms

-2x^2 +2 +5x^3

then order them in deacreaing power of x

5x^3 - 2x^2 + 2