Scheme Exercises

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Group:     Exercise: 41/48 

Quadratic Solver Plus:  Find a root of a quadratic equation!

Create a function quadSolvePlus that returns the result of the quadratic formula, when the +/- sign is +.
Note: You should have completed the discriminant already, as you might be able to utilize that as part of your solution. Remember it is good to include helper functions to make your code cleaner!