x^2+14x-34=0

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Solution for x^2+14x-34=0 equation:


Simplifying
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 = 2.110433579 x = 2.110433579 Simplifying x = 2.110433579

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 = -16.110433579 x = -16.110433579 Simplifying x = -16.110433579

Solution

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

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