Question

How do you solve `(x-5)^2=4`?

Answer 1

`x in {3, 7}`

Explanation:

`(x-5)^2=4`
`rArr`
`color(white)("XXX"){: ("either",(x-5)=2,color(white)("XX")"or"color(white)("XX"),(x-5)=-2), (,rarr x=7,,rarrx=3) :}`