Quadratic Equation Roots

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A quadratic equation is represented as ax² + bx + c = 0. The general formula to find its roots (x-values for which y = 0) is:

example

This formula provides two roots: x₁, x₂. The value inside the square root, b²-4ac is known as the discriminant (D). Based on the value of the discriminant, a quadratic equation can have:

two distinct real roots (D > 0);
one real root (D = 0);
no real roots (D < 0).

Your code must return a tuple containing two values: the roots x₁, x₂, sorted descending. If there's only one real root, both values will be the same. If there are no real roots, the tuple should contain the string "No real roots".

Input: Three integers (number).

Output:...

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