Question

2x^3-5x^2-5x-1=0 descartes rule

Answer 1

help please! need solution set

Answer 2

DesCartes rule does not give a solution set, it gives you the number of possible solutions.

Answer 3

i need the first root

Answer 4

The possible rational roots are 1, -1, 1/2, -1/2.
Use synthetic division to see if any of the possibilities are actual roots.