Question

solve 4x^2-15x=3

Answer 1

x = 3.94033
x = -0.1903

Answer 2

use
\[4x^2-15x-3=0\] and then
\[x=\frac{-b\pm\sqrt{b^2-4ac}}{2a}\] with
\[a=4,b=-5,c=-3\] to get
\[x=\frac{15\pm\sqrt{273}}{8}\]