x^2-20x+102=0

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Solution for x^2-20x+102=0 equation:


Simplifying
x2 + -20x + 102 = 0

Reorder the terms:
102 + -20x + x2 = 0

Solving
102 + -20x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '-102' to each side of the equation.
102 + -20x + -102 + x2 = 0 + -102

Reorder the terms:
102 + -102 + -20x + x2 = 0 + -102

Combine like terms: 102 + -102 = 0
0 + -20x + x2 = 0 + -102
-20x + x2 = 0 + -102

Combine like terms: 0 + -102 = -102
-20x + x2 = -102

The x term is -20x.  Take half its coefficient (-10).
Square it (100) and add it to both sides.

Add '100' to each side of the equation.
-20x + 100 + x2 = -102 + 100

Reorder the terms:
100 + -20x + x2 = -102 + 100

Combine like terms: -102 + 100 = -2
100 + -20x + x2 = -2

Factor a perfect square on the left side:
(x + -10)(x + -10) = -2

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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