Question

MEDAL FOR ANSWER! PLEASE, I'M DESPERATE!
The lengths of two sides of a triangle are shown below:

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

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

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. (2 points)

Answer 1

I DON'T NEED HELP, I NEED ANSWERS. MY ENTIRE EDUCATION DEPENDS ON CATCHING UP.

Answer 2

Please, I'm begging.

Answer 3

this is adding like terms
3x2 - 4x - 1
-x2 +4x + 5
------------------
2x^2 +4

Length of third side is found by subtracting this from perimeter

Answer 4

Dumbcow, I think I llove you. Now could you tell me HOW to subtract it from the perimeter?

Answer 5

@dumbcow help me again, and I will fly out to wherever you live and be your lawfully wedded wife.

Answer 6

lol :)

Answer 7

5x3 - 2x2 + 3x - 8
-(2x2 +4)
--------------------
5x^3 -4x^2 +3x -12

Answer 8

@dumbcow You're a lifesaver. I'm about to cry because I don't understand and you're helping me. Do you mind if I call on you on a few more questions? Ill close this one and you get best response.

Answer 9

By the power vested in me I now pronounce you Man and Wife! :)

Answer 10

@BasedGod1122 , yeah thats fine

@ranga , haha very funny .... now i need an annulment