Question

HELP PLEASE

The lengths of two sides of a triangle are shown below:

Side 1: 8x2 - 5x - 2
Side 2: 7x - x2 + 3

The perimeter of the triangle is 4x3 - 3x2 + 2x - 6.

Part A: What is the total length of the two sides, 1 and 2, of the triangle? (4 points)

Part B: What is the length of the third side of the triangle? (4 points)

Part C: Do the answers for Part A and Part B show that the polynomials are closed under addition and subtraction? Justify your answer

Answer 1

If you have the length of side1 is 3
the lenght of side2 is 4
then total of them is??

Answer 2

am I supposed to add?

Answer 3

sure

Answer 4

7..

Answer 5

do the same with your problem, it means just "add" side1 and side2 to get the answer for part A and get (4 points)