, where b is the coefficient of x, a is the coefficient of 
, and c is the number with no variable attatched to it. Â If we plug in the numbers (
) it gives you 241, which is the discriminant. Â Since 241 is more than zero, it has 2 zeros. Â If the discriminant was 0, there'd be 1 zero, and less then zero there would be zero zeros.
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