This is parabolic quadratic equation because it is written in the form
ax2 + bx + c = 0
This equation has 2 solutions because this equation has a degree of 2.
Also, if we use the quadratic formula to solve for x,
x = (-b ± √(b2 - 4ac)) / 2a
we will have two solutions. This is because of the plus/minus sign in the formula.