Solve

x^2-6x+13=0

2 answers

If the coefficient of the x^2 term is 1 and the middle term coefficient is even, I use completing the square rather than the formula

x^2 - 6x + ... = -13 + ....
x^2- 6x + 9 = -13+9
(x-3)^2 = -4
x-3 = ±√-4
x = 3 ± 2i
In google type:

quadratic equation online

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Free Online Quadratic Equation Solver:Solve by Quadratic Formula

When page be open in rectangle type:

x ^ 2 - 6 x + 13 = 0

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