Question

solution of the equation x^2-12x=8?

Answer 1

2 root11+6
-2 root11+6

Answer 2

x^2-12x=8
Add 36 add both sides
x^2-12x+36=8+36
(x-6)^2=44
x-6=+or- sqrt(44)
x=6+or- sqrt(44)
=6+or- 2sqrt(11)

Source: http://www.mathskey.com/question2answer/

Answer 3

\[ x^2-12x=8\\ (x-6)^2=8+36\\ (x-6)^2=44\\ x-6=\pm\sqrt{44}\\ x=6\pm2\sqrt{11}\]

Answer 4

The equation for quadratic formulas to be solved is -b plus or minus root b2-4ac over 2a