x^2-246x=-144

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Solution for x^2-246x=-144 equation:


Simplifying
x2 + -246x = -144

Reorder the terms:
-246x + x2 = -144

Solving
-246x + x2 = -144

Solving for variable 'x'.

Reorder the terms:
144 + -246x + x2 = -144 + 144

Combine like terms: -144 + 144 = 0
144 + -246x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-144' to each side of the equation.
144 + -246x + -144 + x2 = 0 + -144

Reorder the terms:
144 + -144 + -246x + x2 = 0 + -144

Combine like terms: 144 + -144 = 0
0 + -246x + x2 = 0 + -144
-246x + x2 = 0 + -144

Combine like terms: 0 + -144 = -144
-246x + x2 = -144

The x term is -246x.  Take half its coefficient (-123).
Square it (15129) and add it to both sides.

Add '15129' to each side of the equation.
-246x + 15129 + x2 = -144 + 15129

Reorder the terms:
15129 + -246x + x2 = -144 + 15129

Combine like terms: -144 + 15129 = 14985
15129 + -246x + x2 = 14985

Factor a perfect square on the left side:
(x + -123)(x + -123) = 14985

Calculate the square root of the right side: 122.413234579

Break this problem into two subproblems by setting 
(x + -123) equal to 122.413234579 and -122.413234579.

Subproblem 1

x + -123 = 122.413234579 Simplifying x + -123 = 122.413234579 Reorder the terms: -123 + x = 122.413234579 Solving -123 + x = 122.413234579 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '123' to each side of the equation. -123 + 123 + x = 122.413234579 + 123 Combine like terms: -123 + 123 = 0 0 + x = 122.413234579 + 123 x = 122.413234579 + 123 Combine like terms: 122.413234579 + 123 = 245.413234579 x = 245.413234579 Simplifying x = 245.413234579

Subproblem 2

x + -123 = -122.413234579 Simplifying x + -123 = -122.413234579 Reorder the terms: -123 + x = -122.413234579 Solving -123 + x = -122.413234579 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '123' to each side of the equation. -123 + 123 + x = -122.413234579 + 123 Combine like terms: -123 + 123 = 0 0 + x = -122.413234579 + 123 x = -122.413234579 + 123 Combine like terms: -122.413234579 + 123 = 0.586765421 x = 0.586765421 Simplifying x = 0.586765421

Solution

The solution to the problem is based on the solutions from the subproblems. x = {245.413234579, 0.586765421}

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