Question

How do you solve `x^{2} - 4x - 9= 29`?

Answer 1

`2 +- sqrt42`

Explanation:

`x^2 - 4x - 9 + (13) = 29 + (13)`
`x^2 - 4x + 4 = 42`
`(x - 2)^2 = sqrt42`
`x = 2 +- sqrt42`