how many solutions does a quadratic equation have whenthe letter a does not equal zero

Question

Quadratic equations, wich are expressed in the form of ax^2+b+c=0, where a does not equal zero may have how many solutions?

Answer 1

ax^2 +bx + c = 0

0 or 2.

Example of 2 zeroes:

x^2 - 1 = 0

Example of no zeroes:

x^ + 1 = 0