Question

Calculate the discriminant then state the number and type of solutions

-9x^2+6x+3 = 0
D =

Answer 1

The right is that 9x^2+6x+3=0

D is equal to 357.66

Answer 2

Lets check

D=b²-4ac

• D=6²-4(-9)(3)
• D=36+108
• D=144

As it's >0 two real and distinct zeros are present