SOLUTION: -1=2x^2-x-1

Algebra ->  Test -> SOLUTION: -1=2x^2-x-1      Log On


   

Question 987550: -1=2x^2-x-1
Answer by ikleyn(52786) About Me  (Show Source):
You can put this solution on YOUR website!
.
Your equation is

-1 = 2x%5E2-x-1.

Add  1  to both sides:

2x%5E2+-+x = 0.

Factor it:

x*(2x-1) = 0.

The roots are  x = 0  and  x = 1%2F2.