x^2+69x+1=0

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Solution for x^2+69x+1=0 equation:


Simplifying
x2 + 69x + 1 = 0

Reorder the terms:
1 + 69x + x2 = 0

Solving
1 + 69x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '-1' to each side of the equation.
1 + 69x + -1 + x2 = 0 + -1

Reorder the terms:
1 + -1 + 69x + x2 = 0 + -1

Combine like terms: 1 + -1 = 0
0 + 69x + x2 = 0 + -1
69x + x2 = 0 + -1

Combine like terms: 0 + -1 = -1
69x + x2 = -1

The x term is 69x.  Take half its coefficient (34.5).
Square it (1190.25) and add it to both sides.

Add '1190.25' to each side of the equation.
69x + 1190.25 + x2 = -1 + 1190.25

Reorder the terms:
1190.25 + 69x + x2 = -1 + 1190.25

Combine like terms: -1 + 1190.25 = 1189.25
1190.25 + 69x + x2 = 1189.25

Factor a perfect square on the left side:
(x + 34.5)(x + 34.5) = 1189.25

Calculate the square root of the right side: 34.485504201

Break this problem into two subproblems by setting 
(x + 34.5) equal to 34.485504201 and -34.485504201.

Subproblem 1

x + 34.5 = 34.485504201 Simplifying x + 34.5 = 34.485504201 Reorder the terms: 34.5 + x = 34.485504201 Solving 34.5 + x = 34.485504201 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-34.5' to each side of the equation. 34.5 + -34.5 + x = 34.485504201 + -34.5 Combine like terms: 34.5 + -34.5 = 0.0 0.0 + x = 34.485504201 + -34.5 x = 34.485504201 + -34.5 Combine like terms: 34.485504201 + -34.5 = -0.014495799 x = -0.014495799 Simplifying x = -0.014495799

Subproblem 2

x + 34.5 = -34.485504201 Simplifying x + 34.5 = -34.485504201 Reorder the terms: 34.5 + x = -34.485504201 Solving 34.5 + x = -34.485504201 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-34.5' to each side of the equation. 34.5 + -34.5 + x = -34.485504201 + -34.5 Combine like terms: 34.5 + -34.5 = 0.0 0.0 + x = -34.485504201 + -34.5 x = -34.485504201 + -34.5 Combine like terms: -34.485504201 + -34.5 = -68.985504201 x = -68.985504201 Simplifying x = -68.985504201

Solution

The solution to the problem is based on the solutions from the subproblems. x = {-0.014495799, -68.985504201}

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