Question 254966
You need to learn the language of math.

squared is ^2 ^ is over the 6

and spelling parabola not parabala 
and equation not equasion


y=x^2-12x+20
{{{y=x^2-12x+20}}}
It already is a parabola equation.
Maybe you mean factor
*[invoke change_this_name4450 1, -12, 20, "x"]