13x^2-1x+18=0

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Solution for 13x^2-1x+18=0 equation:


Simplifying
13x2 + -1x + 18 = 0

Reorder the terms:
18 + -1x + 13x2 = 0

Solving
18 + -1x + 13x2 = 0

Solving for variable 'x'.

Begin completing the square.  Divide all terms by
13 the coefficient of the squared term: 

Divide each side by '13'.
1.384615385 + -0.07692307692x + x2 = 0

Move the constant term to the right:

Add '-1.384615385' to each side of the equation.
1.384615385 + -0.07692307692x + -1.384615385 + x2 = 0 + -1.384615385

Reorder the terms:
1.384615385 + -1.384615385 + -0.07692307692x + x2 = 0 + -1.384615385

Combine like terms: 1.384615385 + -1.384615385 = 0.000000000
0.000000000 + -0.07692307692x + x2 = 0 + -1.384615385
-0.07692307692x + x2 = 0 + -1.384615385

Combine like terms: 0 + -1.384615385 = -1.384615385
-0.07692307692x + x2 = -1.384615385

The x term is -0.07692307692x.  Take half its coefficient (-0.03846153846).
Square it (0.001479289941) and add it to both sides.

Add '0.001479289941' to each side of the equation.
-0.07692307692x + 0.001479289941 + x2 = -1.384615385 + 0.001479289941

Reorder the terms:
0.001479289941 + -0.07692307692x + x2 = -1.384615385 + 0.001479289941

Combine like terms: -1.384615385 + 0.001479289941 = -1.383136095059
0.001479289941 + -0.07692307692x + x2 = -1.383136095059

Factor a perfect square on the left side:
(x + -0.03846153846)(x + -0.03846153846) = -1.383136095059

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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