# How do you factor #x^3-7x^(3/2)-8=0#?

##### 1 Answer

Apr 10, 2015

The key to factoring this is to notice (guess and verify) that the square of

So I can think of this as:

Until you are more comfortable with the process, do the substitution: the "something" here is

Let

So we have:

Now go back to the original variable: