Question

How do you solve using the completing the square method `x^2+4x=5`?

Answer 1

`x=1`
`x=-5`

Explanation:

`x^2+4x=5`
or
`x^2+4x+4=5+4`
or
`x^2+2(x)(2)+2^2=9`
or
`(x+2)^2=3^2`
or
`x+2=+-3`
or
`x=-2+-3`
or
`x=-2+3`
or
`x=1`---------------Ans `1`
or
`x=-2-3`
or
`x=-5`--------------Ans `2`