Mathematics, 10.09.2021 01:00 catzilla

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

Answers: 2

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Side 1: 3x2 - 4x - 1 Side 2: 4x - X2 + 5
The perimeter of the triangle is 5x3 - 2x2 + 3x - 8...