What are the roots of the polynomial equation x3-5x+5=2x2-5? Use a graphing calculator and a system of equations. Round noninteger roots to the nearest hundredth.

Question

Mathematics

Haiden Bell

5 March, 06:02

What are the roots of the polynomial equation x3-5x+5=2x2-5? Use a graphing calculator and a system of equations. Round noninteger roots to the nearest hundredth.

+5

Answers (2)

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Smoochie · Answer 1

It is not necessary to use a system of equations. By subtracting the right side of the equation, it can be put in a form such that the solutions are the x-intercepts of the graph. This graphing calculator shows them to be

x = - 2.24, 2, and 2.24

Dangelo Orr · Answer 2

-2.24, 2.24, and 2