x*x-14*x-34=0

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Solution for x*x-14*x-34=0 equation:


Simplifying
x * x + -14x + -34 = 0

Multiply x * x
x2 + -14x + -34 = 0

Reorder the terms:
-34 + -14x + x2 = 0

Solving
-34 + -14x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '34' to each side of the equation.
-34 + -14x + 34 + x2 = 0 + 34

Reorder the terms:
-34 + 34 + -14x + x2 = 0 + 34

Combine like terms: -34 + 34 = 0
0 + -14x + x2 = 0 + 34
-14x + x2 = 0 + 34

Combine like terms: 0 + 34 = 34
-14x + x2 = 34

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 = 34 + 49

Reorder the terms:
49 + -14x + x2 = 34 + 49

Combine like terms: 34 + 49 = 83
49 + -14x + x2 = 83

Factor a perfect square on the left side:
(x + -7)(x + -7) = 83

Calculate the square root of the right side: 9.110433579

Break this problem into two subproblems by setting 
(x + -7) equal to 9.110433579 and -9.110433579.

Subproblem 1

x + -7 = 9.110433579 Simplifying x + -7 = 9.110433579 Reorder the terms: -7 + x = 9.110433579 Solving -7 + x = 9.110433579 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 = 9.110433579 + 7 Combine like terms: -7 + 7 = 0 0 + x = 9.110433579 + 7 x = 9.110433579 + 7 Combine like terms: 9.110433579 + 7 = 16.110433579 x = 16.110433579 Simplifying x = 16.110433579

Subproblem 2

x + -7 = -9.110433579 Simplifying x + -7 = -9.110433579 Reorder the terms: -7 + x = -9.110433579 Solving -7 + x = -9.110433579 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 = -9.110433579 + 7 Combine like terms: -7 + 7 = 0 0 + x = -9.110433579 + 7 x = -9.110433579 + 7 Combine like terms: -9.110433579 + 7 = -2.110433579 x = -2.110433579 Simplifying x = -2.110433579

Solution

The solution to the problem is based on the solutions from the subproblems. x = {16.110433579, -2.110433579}

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