Question

x^2-5x+6=0

Answer 1

That's just another one of Jesus's parabolas.

Answer 2

do you know the quadratic formula: ?
\[{x_{1/2}} = \frac{{ - b \pm \sqrt {{b^2} - 4ac} }}{{2a}}\]
or you can just factor them out ...

Answer 3

-5=-2-3
6=(-2)(-3)
x^2-5x+6=0
(x-2)(x-3)=0
x-2=0 or x-3=0
x=2 or x=3

Answer 4

(x-2)(x-3)=0