Answer: (-2+√5), (-2-√5)
Explanation:
1. Reference the formula: [(-b±(√b^2-4ac))/2a]
2. Plug in the values from the equation: [(-4±(√16+4))/2]
3. Simplify: [(-4±(√20))/2]
4. Simplify the root: [(-4±(2√5))/2]
5. Simplify the fraction: [-2±√5]
6. There's your answer: (-2+√5), (-2-√5)