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Quadratic Equations
Solve a Quadratic Equation
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Random Example [Complex Equation]
Equation: x
2
+ 2x - 6
Roots : 1.646, -3.646
See below for the detailed solution.
-------------------------------------------------- Solving Quadatric Equation: x^2 + 2x - 6 -------------------------------------------------- Given Equation x^2 + 2x - 6 Comaring it with ax^2 + bx + c, we get a = 1 b = 2 c = -6 Roots are given by: = -b/2a +- sqrt(b^2-4ac)/2a = -2/2 +- sqrt(2^2 - 4 · 1 · -6)/2 = -1 +- sqrt(28)/2 = -1 +- 2.646 Two Roots of Equations are Root 1: 1.646 Root 2: -3.646
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