x^2-18x+385=0

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Solution for x^2-18x+385=0 equation:


Simplifying
x2 + -18x + 385 = 0

Reorder the terms:
385 + -18x + x2 = 0

Solving
385 + -18x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '-385' to each side of the equation.
385 + -18x + -385 + x2 = 0 + -385

Reorder the terms:
385 + -385 + -18x + x2 = 0 + -385

Combine like terms: 385 + -385 = 0
0 + -18x + x2 = 0 + -385
-18x + x2 = 0 + -385

Combine like terms: 0 + -385 = -385
-18x + x2 = -385

The x term is -18x.  Take half its coefficient (-9).
Square it (81) and add it to both sides.

Add '81' to each side of the equation.
-18x + 81 + x2 = -385 + 81

Reorder the terms:
81 + -18x + x2 = -385 + 81

Combine like terms: -385 + 81 = -304
81 + -18x + x2 = -304

Factor a perfect square on the left side:
(x + -9)(x + -9) = -304

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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