Question

How do you solve `3(x-4)^2=15`?

Answer 1

`x=4+sqrt5`
`x=4-sqrt5`

Explanation:

`3(x-4)^2=15`
or
`(x-4)^2=5`
or
`x-4=+-sqrt5`
or
`x=4+sqrt5` ------Ans `1`
or
`x=4-sqrt5` -------Ans `2`