Question

How do you solve `2x^2 = 242`?

Answer 1

`x =+-11`

Explanation:

First a fall we have to divide `242` by `2` then we have to do under root of `121`.

`2x^2=242`
`=>x^2=242/2=121`
`=>x=+-sqrt121`
`=>x=+-11`

:-)