x^2+2x-2014=0

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Solution for x^2+2x-2014=0 equation:


Simplifying
x2 + 2x + -2014 = 0

Reorder the terms:
-2014 + 2x + x2 = 0

Solving
-2014 + 2x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '2014' to each side of the equation.
-2014 + 2x + 2014 + x2 = 0 + 2014

Reorder the terms:
-2014 + 2014 + 2x + x2 = 0 + 2014

Combine like terms: -2014 + 2014 = 0
0 + 2x + x2 = 0 + 2014
2x + x2 = 0 + 2014

Combine like terms: 0 + 2014 = 2014
2x + x2 = 2014

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 = 2014 + 1

Reorder the terms:
1 + 2x + x2 = 2014 + 1

Combine like terms: 2014 + 1 = 2015
1 + 2x + x2 = 2015

Factor a perfect square on the left side:
(x + 1)(x + 1) = 2015

Calculate the square root of the right side: 44.888751375

Break this problem into two subproblems by setting 
(x + 1) equal to 44.888751375 and -44.888751375.

Subproblem 1

x + 1 = 44.888751375 Simplifying x + 1 = 44.888751375 Reorder the terms: 1 + x = 44.888751375 Solving 1 + x = 44.888751375 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 = 44.888751375 + -1 Combine like terms: 1 + -1 = 0 0 + x = 44.888751375 + -1 x = 44.888751375 + -1 Combine like terms: 44.888751375 + -1 = 43.888751375 x = 43.888751375 Simplifying x = 43.888751375

Subproblem 2

x + 1 = -44.888751375 Simplifying x + 1 = -44.888751375 Reorder the terms: 1 + x = -44.888751375 Solving 1 + x = -44.888751375 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 = -44.888751375 + -1 Combine like terms: 1 + -1 = 0 0 + x = -44.888751375 + -1 x = -44.888751375 + -1 Combine like terms: -44.888751375 + -1 = -45.888751375 x = -45.888751375 Simplifying x = -45.888751375

Solution

The solution to the problem is based on the solutions from the subproblems. x = {43.888751375, -45.888751375}

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