Mathematics
Mathematics, 25.03.2020 20:22, deidrabenson72331

25 points! Need answer ASAP please! Thanks in advance!

The lengths of two sides of a triangle are shown.

Side 1: 3x2 − 2x − 1

Side 2: 9x + 2x2 − 3

The perimeter of the triangle is 5x3 + 4x2 − x − 3.

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)

answer
Answers: 3

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25 points! Need answer ASAP please! Thanks in advance!

The lengths of two sides of a tri...

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