- #1

- 142

- 0

## Homework Statement

2t^3-4t-5=0

Find t

## Homework Equations

[-b-sqrt(b^2-4ac)]/2a

## The Attempt at a Solution

The answer is sqrt(2/3). No idea how this came about. I tried plugging in the equation and got it wrong. :( Please help I've been struggling over this for 5 hours.