- #1

phillyolly

- 157

- 0

## Homework Statement

Solving y^4+4y-69, I got the following:

By manually plugging in, I found that y= -3 and y=2.76.

However, I would like to ask you if there are other good, efficient ways to find solutions?

(Without using sophisticated math tools. Imagine, I have this prob on the exam)

Thank you!