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New solution #37

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23 changes: 9 additions & 14 deletions 2-variables/quadratic-formula/Quadratic.swift
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Original file line number Diff line number Diff line change
@@ -1,19 +1,14 @@
// Quadratic Formula 📈
// Sonny Li
// Patrick Jakobsen

var a: Double = 6
var b: Double = -7
var c: Double = -3
let a = 6.0
let b = -7.0
let c = -3.0

var root1: Double
var root2: Double
let discriminant = (b * b - 4 * a * c).squareRoot()

// The positive root
root1 = (-b + (b*b - 4*a*c).squareRoot()) / (2*a)
let root1 = (-b + discriminant) / (2 * a)
let root2 = (-b - discriminant) / (2 * a)

// The negative root
root2 = (-b - (b*b - 4*a*c).squareRoot()) / (2*a)

// Outputting the roots
print("Root 1 is \(root1)")
print("Root 2 is \(root2)")
print("Root 1:", root1)
print("Root 2:", root2)