Mathematics, 21.04.2021 18:20, rkingmitch8074

The lengths of two sides of a triangle are shown. 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? 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)
KA

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The lengths of two sides of a triangle are shown. Side 1: 8x2 - 5x-2
Side 2: 7x - X2+3
...