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Mathematics, 10.03.2020 06:07 cbaublitz

Please help! Will mark brainleist!

Below are two lengths of a triangle-
side one:3x^{2}-2x-1
side two: 9x+ 2x^{2}-3
Perimeter: 5x^{3}+4x^{2}-x-3
part a- What are the two sides of the triangle (show work).
Part b- What is the length of the third side (show work and reasoning).
part c- Do answers for a and b show the polynomials are closed under addition and subtraction?

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Answers: 1

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