Question

How do you simplify `sqrt (45x^2)/ sqrt 9`?

Answer 1

`xsqrt5`

Explanation:

`sqrt(45x^2)/(sqrt9) = (sqrt9 xx sqrt5 xx sqrt(x^2))/(sqrt9)`
cancel `sqrt9` and
`sqrt(x^2) = x`
answer after cancelling `sqrt9` is `xsqrt5`