x^2-20x+144=0

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Solution for x^2-20x+144=0 equation:


Simplifying
x2 + -20x + 144 = 0

Reorder the terms:
144 + -20x + x2 = 0

Solving
144 + -20x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '-144' to each side of the equation.
144 + -20x + -144 + x2 = 0 + -144

Reorder the terms:
144 + -144 + -20x + x2 = 0 + -144

Combine like terms: 144 + -144 = 0
0 + -20x + x2 = 0 + -144
-20x + x2 = 0 + -144

Combine like terms: 0 + -144 = -144
-20x + x2 = -144

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 = -144 + 100

Reorder the terms:
100 + -20x + x2 = -144 + 100

Combine like terms: -144 + 100 = -44
100 + -20x + x2 = -44

Factor a perfect square on the left side:
(x + -10)(x + -10) = -44

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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