x^2+x-0.058=0

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Solution for x^2+x-0.058=0 equation:


Simplifying
x2 + x + -0.058 = 0

Reorder the terms:
-0.058 + x + x2 = 0

Solving
-0.058 + x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '0.058' to each side of the equation.
-0.058 + x + 0.058 + x2 = 0 + 0.058

Reorder the terms:
-0.058 + 0.058 + x + x2 = 0 + 0.058

Combine like terms: -0.058 + 0.058 = 0.000
0.000 + x + x2 = 0 + 0.058
x + x2 = 0 + 0.058

Combine like terms: 0 + 0.058 = 0.058
x + x2 = 0.058

The x term is x.  Take half its coefficient (0.5).
Square it (0.25) and add it to both sides.

Add '0.25' to each side of the equation.
x + 0.25 + x2 = 0.058 + 0.25

Reorder the terms:
0.25 + x + x2 = 0.058 + 0.25

Combine like terms: 0.058 + 0.25 = 0.308
0.25 + x + x2 = 0.308

Factor a perfect square on the left side:
(x + 0.5)(x + 0.5) = 0.308

Calculate the square root of the right side: 0.554977477

Break this problem into two subproblems by setting 
(x + 0.5) equal to 0.554977477 and -0.554977477.

Subproblem 1

x + 0.5 = 0.554977477 Simplifying x + 0.5 = 0.554977477 Reorder the terms: 0.5 + x = 0.554977477 Solving 0.5 + x = 0.554977477 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.5' to each side of the equation. 0.5 + -0.5 + x = 0.554977477 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + x = 0.554977477 + -0.5 x = 0.554977477 + -0.5 Combine like terms: 0.554977477 + -0.5 = 0.054977477 x = 0.054977477 Simplifying x = 0.054977477

Subproblem 2

x + 0.5 = -0.554977477 Simplifying x + 0.5 = -0.554977477 Reorder the terms: 0.5 + x = -0.554977477 Solving 0.5 + x = -0.554977477 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.5' to each side of the equation. 0.5 + -0.5 + x = -0.554977477 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + x = -0.554977477 + -0.5 x = -0.554977477 + -0.5 Combine like terms: -0.554977477 + -0.5 = -1.054977477 x = -1.054977477 Simplifying x = -1.054977477

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.054977477, -1.054977477}

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