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Why are Quadratic equations, which are expressed in the form of ax2 + bx + c = 0, where a does not equal 0,
Pros: There are many real life situations in which the relationship between two variables is quadratic rather than linear. So to solve these situations quadratic equations are necessary. There is a simple equation to solve any quadratic equation. Cons: Pupils who are still studying basic mathematics will not be told how to solve quadratic equations in some circumstances - when the solutions lie in the Complex field.
If the discriminant of a quadratic equation is less then 0 then it will have no real solutions.
Infinite simultaneous solutions. (The two equations represent the same line) OR If your in nova net the answer should be ( Many )
It has more than one solutions.