Question

How do you simplify `sqrt18 ÷ sqrt8 - 3`?

Answer 1

`-3/2or -9/2`

Explanation:

`sqrt18-sqrt8-3=sqrt(18/8)-3=sqrt(9/4)-3=|3/2|-3`
`=3/2-3 or -3/2-3`
`=-3/2 or -9/2`