Question 392412
f(x) = 3x^2 -15x -13
set f(x) to zero and solve for x:
0 = 3x^2 -15x -13
applying the "quadratic formula" we get:
x = {5.753, -0.753}
.
Details of quadratic follows:
*[invoke quadratic "x", 3, -15, -13 ]