The discriminant is -199.
The discriminant is 0.
The discriminant is 900.
The discriminant is 609.
The discriminant is 1.
The discriminant is 25.
The discriminant is -199.
The discriminant is 121.
The discriminant is 0.
The discriminant is 900.
The discriminant is 33.
The discriminant is 609.
The discriminant is 1.
The discriminant is -11.
The discriminant is 385.
The discriminant is 0.
The discriminant is -167.