x^2-14x+13=63

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Solution for x^2-14x+13=63 equation:


Simplifying
x2 + -14x + 13 = 63

Reorder the terms:
13 + -14x + x2 = 63

Solving
13 + -14x + x2 = 63

Solving for variable 'x'.

Reorder the terms:
13 + -63 + -14x + x2 = 63 + -63

Combine like terms: 13 + -63 = -50
-50 + -14x + x2 = 63 + -63

Combine like terms: 63 + -63 = 0
-50 + -14x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '50' to each side of the equation.
-50 + -14x + 50 + x2 = 0 + 50

Reorder the terms:
-50 + 50 + -14x + x2 = 0 + 50

Combine like terms: -50 + 50 = 0
0 + -14x + x2 = 0 + 50
-14x + x2 = 0 + 50

Combine like terms: 0 + 50 = 50
-14x + x2 = 50

The x term is -14x.  Take half its coefficient (-7).
Square it (49) and add it to both sides.

Add '49' to each side of the equation.
-14x + 49 + x2 = 50 + 49

Reorder the terms:
49 + -14x + x2 = 50 + 49

Combine like terms: 50 + 49 = 99
49 + -14x + x2 = 99

Factor a perfect square on the left side:
(x + -7)(x + -7) = 99

Calculate the square root of the right side: 9.949874371

Break this problem into two subproblems by setting 
(x + -7) equal to 9.949874371 and -9.949874371.

Subproblem 1

x + -7 = 9.949874371 Simplifying x + -7 = 9.949874371 Reorder the terms: -7 + x = 9.949874371 Solving -7 + x = 9.949874371 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '7' to each side of the equation. -7 + 7 + x = 9.949874371 + 7 Combine like terms: -7 + 7 = 0 0 + x = 9.949874371 + 7 x = 9.949874371 + 7 Combine like terms: 9.949874371 + 7 = 16.949874371 x = 16.949874371 Simplifying x = 16.949874371

Subproblem 2

x + -7 = -9.949874371 Simplifying x + -7 = -9.949874371 Reorder the terms: -7 + x = -9.949874371 Solving -7 + x = -9.949874371 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '7' to each side of the equation. -7 + 7 + x = -9.949874371 + 7 Combine like terms: -7 + 7 = 0 0 + x = -9.949874371 + 7 x = -9.949874371 + 7 Combine like terms: -9.949874371 + 7 = -2.949874371 x = -2.949874371 Simplifying x = -2.949874371

Solution

The solution to the problem is based on the solutions from the subproblems. x = {16.949874371, -2.949874371}

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