Question 317958
f(x)=6x^2-15x+4
{{{x = (-b +- sqrt( b^2-4*a*c ))/(2*a) }}} 
x=(15+-sqrt[-15^2-4*6*4])/2*6
x=(15+-sqrt225-96])/12
x=(15+-sqrt129)/12
x=(15+-11.3578)/2
x=(15+11.3578)/12
x=26.3578/12
x=2.196 ans.
x=(15-11.3578)/12
x=3.6422/12
x=.304 ans.