what is the discriminant of 5x^2+9=3

Question

How to find the discriminant. I need help!!!!

Answer 1

5x^2 + 6 = 0

 

A=5 B=0 C=6

 

B^2 - 4 A C = 0^2 - 4(5)(6)

                  = 0 -120

                  = -120

 

 

Are you sure it is not 5x^2 + 9x = 3 ????