169=x^2-2x+37

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Solution for 169=x^2-2x+37 equation:


Simplifying
169 = x2 + -2x + 37

Reorder the terms:
169 = 37 + -2x + x2

Solving
169 = 37 + -2x + x2

Solving for variable 'x'.

Combine like terms: 169 + -37 = 132
132 + 2x + -1x2 = 37 + -2x + x2 + -37 + 2x + -1x2

Reorder the terms:
132 + 2x + -1x2 = 37 + -37 + -2x + 2x + x2 + -1x2

Combine like terms: 37 + -37 = 0
132 + 2x + -1x2 = 0 + -2x + 2x + x2 + -1x2
132 + 2x + -1x2 = -2x + 2x + x2 + -1x2

Combine like terms: -2x + 2x = 0
132 + 2x + -1x2 = 0 + x2 + -1x2
132 + 2x + -1x2 = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
132 + 2x + -1x2 = 0

Begin completing the square.  Divide all terms by
-1 the coefficient of the squared term: 

Divide each side by '-1'.
-132 + -2x + x2 = 0

Move the constant term to the right:

Add '132' to each side of the equation.
-132 + -2x + 132 + x2 = 0 + 132

Reorder the terms:
-132 + 132 + -2x + x2 = 0 + 132

Combine like terms: -132 + 132 = 0
0 + -2x + x2 = 0 + 132
-2x + x2 = 0 + 132

Combine like terms: 0 + 132 = 132
-2x + x2 = 132

The x term is -2x.  Take half its coefficient (-1).
Square it (1) and add it to both sides.

Add '1' to each side of the equation.
-2x + 1 + x2 = 132 + 1

Reorder the terms:
1 + -2x + x2 = 132 + 1

Combine like terms: 132 + 1 = 133
1 + -2x + x2 = 133

Factor a perfect square on the left side:
(x + -1)(x + -1) = 133

Calculate the square root of the right side: 11.532562595

Break this problem into two subproblems by setting 
(x + -1) equal to 11.532562595 and -11.532562595.

Subproblem 1

x + -1 = 11.532562595 Simplifying x + -1 = 11.532562595 Reorder the terms: -1 + x = 11.532562595 Solving -1 + x = 11.532562595 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 1 + x = 11.532562595 + 1 Combine like terms: -1 + 1 = 0 0 + x = 11.532562595 + 1 x = 11.532562595 + 1 Combine like terms: 11.532562595 + 1 = 12.532562595 x = 12.532562595 Simplifying x = 12.532562595

Subproblem 2

x + -1 = -11.532562595 Simplifying x + -1 = -11.532562595 Reorder the terms: -1 + x = -11.532562595 Solving -1 + x = -11.532562595 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 1 + x = -11.532562595 + 1 Combine like terms: -1 + 1 = 0 0 + x = -11.532562595 + 1 x = -11.532562595 + 1 Combine like terms: -11.532562595 + 1 = -10.532562595 x = -10.532562595 Simplifying x = -10.532562595

Solution

The solution to the problem is based on the solutions from the subproblems. x = {12.532562595, -10.532562595}

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