Question 1: The perimeter of the triangle below is 5x³ - 2x² + 3x - 8.

Part A: Given the information below. What is the total length of
sides 1 and 2 of the triangle? Show all work! (3 pts)

Side 1: 3x² - 4x-1
Side 2: - x² + 4x + 5

Part B: What is the length of the 3rd side of
the triangle? Show your work. (3 pts)

5x3 2x² + 3x - 8 - (____)=