74.2k views
4 votes
Find the sum of (3x + 2x ^ 3 - 5) + (- 4x + 3x ^ 3 - 8)

User Maury
by
7.4k points

2 Answers

4 votes
the sum of (3x + 2x ^ 3 - 5) + (- 4x + 3x ^ 3 - 8) is

5x^3+3x-17
User Olessia
by
7.3k points
3 votes

Answer:

-x + 5x^3 -13

Explanation:

step 1: Collect like terms

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

step 2: simplify

5x^3 - x - 13

User MetalFingers
by
8.3k points