Question 279957
Here's an example:
3x^2=5x-4
3x^2-5x=4=0
{{{x = (-b +- sqrt( b^2-4*a*c ))/(2*a) }}} 
x=(5+-sqrt[-5^2-4*3*1])/2*3
x=(5+-sqrt[25-12])/6
x=(5+-sqrt13)/6
x=(5+-3.61)/6
x=(5+3.61)/6
x=8.61/6
x=1.434 ans.
x=(5-3.61)/6
x=1.39/6
x=.232 ans.