Question

How do you factor the expression `4x^(3/2) − 12x^(1/2) + 8x^(−1/2)`?

Answer 1

I found: `(4(x-1)(x-2))/sqrt(x)`

Explanation:

I used the fact that:
`x^(a/b)=rootbx^a`
and
`x^-a=1/x^a`
to get: