Roots

c = -8 (slider from -20 to 20, step 1)
a = 3 (slider from -5 to 5, step 1)
b = 10 (slider from -20 to 20, step 1)
f(x) = a * x^(2) + b * x + c
A, B = Root(f)
D: b^(2) - 4 * a * c
text2: A + ""
text3: B + ""