That depends on the values of the polynomial but in general:-
If the discriminant is greater than zero it has 2 solutions
If the discriminant is equal to zero then it has 2 equal solutions
If the discriminant is less than zero it has no solutions
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The discriminant polynomial is always [ b2 - 4ac ]. In any given expression, it's a number. In this expression, the number is zero, indicating that the expression is a square.
We can't answer that without knowing what the polynomial is.
There is no polynomial below.(Although I'll bet there was one wherever you copied the question from.)
90
Discriminant = 116; Graph crosses the x-axis two times