b^2 - 4ac, the discriminant will tell you that a quadratic equation may have one real solution( discriminant = 0 ) , two real solutions( discriminant > 0 ), or no real solutions( discriminant < 0 ).
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Draw the graph of the equation. the solution is/are the points where the line cuts the x(horisontal) axis .
No, it must have two answers.
They are the solutions for the reduced quadratic.
Normally it has two solutions but sometimes the solutions can be the same.
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