I have a section in my book that is asking me to "make an appropriate substitution" for a set of problems; and the book doesn't even give examples on how to do this sort of thing.

Here is one for example:

x^4-5x^2+4=0

Help, anyone?

Thanks

Printable View

- Dec 7th 2011, 10:15 AMannon25Quadratic Equations and Substituting "Appropriately?"
I have a section in my book that is asking me to "make an appropriate substitution" for a set of problems; and the book doesn't even give examples on how to do this sort of thing.

Here is one for example:

x^4-5x^2+4=0

Help, anyone?

Thanks - Dec 7th 2011, 10:21 AMQuackyRe: Quadratic Equations and Substituting "Appropriately?"
Let

- Dec 7th 2011, 10:30 AMTheChazRe: Quadratic Equations and Substituting "Appropriately?"