(Algebra: solve quadratic equations) Write a program that prompts the user to enter values for a, b and c and displays the results based on the discriminant. If the descriminant is not positive,...

(Algebra: solve quadratic equations) Write a program that prompts the user to enter values for a, b and c and displays the results based on the discriminant. If the descriminant is not positive, display the two roots. If the discriminant is 0, display one root