Answer:
-63
Step-by-step explanation:
The coefficients of this quadratic are a = 1, b = -3 and c = 18.
The discriminant formula is b^2-4ac, and so the discriminant in this case is
(-3)^2 - 4(1)(18), or 9 - 72, or -63.
This is the ONLY value of the discriminant.