Question

How do you solve `2(x-5)^2=30`?

Answer 1

`x=+-sqrt(15)+5`
`x~~8.87, 1.13`

Explanation:

First lets divide both sides by `2`,
`(x-5)^2=15`
Now square root both sides,
`x-5=+-sqrt15`
Now take away `5` from both sides,
`x=+-sqrt(15)+5`
Now evaluate:
`x~~8.87, 1.13`