How to solve x²+4x+1 using quadratic formula?
Step by step, how do you solve this? Quadratic formula
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Step by step, how do you solve this? Quadratic formula
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x² + 4x + 1 = 0
x = [-4 ± √(4² - 4·1·1)]/[2·1]
= [-4 ± √12]/2
= [-4 ± 2√3]/2
= -2 ± √3
x = [-4±sqrt(4^2-4)]/2
x = [-4±2sqrt(3)]/2
x = -2±sqrt(3)