Question

How do you simplify `x^(3/4) - x^(1/4)`?

Answer 1

`x^(3/4)-x^(1/4)`

`=x^(1/2+1/4)-x^(1/4)`

`=(x^(1/2)*x^(1/4))-x^(1/4)`

`=(x^(1/2) - 1)x^(1/4)`

...using `x^(a+b) = x^a * x^b`