Question

a difference of a number squared and the number is one less than four times the number

Answer 1

Looks like the solution is irrational.

Answer 2

I got the same as you did @robtobey

Answer 3

Refer to the attachment from Mathematica 9 .

Answer 4

Talk to later radar. My wife is screaming at me to get off of the machine.

Answer 5

@robtobey I feel your pain. Good evening I too am being beckoned.