.04x^2-.5x+.08=0

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Solution for .04x^2-.5x+.08=0 equation:


Simplifying
0.04x2 + -0.5x + 0.08 = 0

Reorder the terms:
0.08 + -0.5x + 0.04x2 = 0

Solving
0.08 + -0.5x + 0.04x2 = 0

Solving for variable 'x'.

Begin completing the square.  Divide all terms by
0.04 the coefficient of the squared term: 

Divide each side by '0.04'.
2 + -12.5x + x2 = 0

Move the constant term to the right:

Add '-2' to each side of the equation.
2 + -12.5x + -2 + x2 = 0 + -2

Reorder the terms:
2 + -2 + -12.5x + x2 = 0 + -2

Combine like terms: 2 + -2 = 0
0 + -12.5x + x2 = 0 + -2
-12.5x + x2 = 0 + -2

Combine like terms: 0 + -2 = -2
-12.5x + x2 = -2

The x term is -12.5x.  Take half its coefficient (-6.25).
Square it (39.0625) and add it to both sides.

Add '39.0625' to each side of the equation.
-12.5x + 39.0625 + x2 = -2 + 39.0625

Reorder the terms:
39.0625 + -12.5x + x2 = -2 + 39.0625

Combine like terms: -2 + 39.0625 = 37.0625
39.0625 + -12.5x + x2 = 37.0625

Factor a perfect square on the left side:
(x + -6.25)(x + -6.25) = 37.0625

Calculate the square root of the right side: 6.087897831

Break this problem into two subproblems by setting 
(x + -6.25) equal to 6.087897831 and -6.087897831.

Subproblem 1

x + -6.25 = 6.087897831 Simplifying x + -6.25 = 6.087897831 Reorder the terms: -6.25 + x = 6.087897831 Solving -6.25 + x = 6.087897831 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '6.25' to each side of the equation. -6.25 + 6.25 + x = 6.087897831 + 6.25 Combine like terms: -6.25 + 6.25 = 0.00 0.00 + x = 6.087897831 + 6.25 x = 6.087897831 + 6.25 Combine like terms: 6.087897831 + 6.25 = 12.337897831 x = 12.337897831 Simplifying x = 12.337897831

Subproblem 2

x + -6.25 = -6.087897831 Simplifying x + -6.25 = -6.087897831 Reorder the terms: -6.25 + x = -6.087897831 Solving -6.25 + x = -6.087897831 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '6.25' to each side of the equation. -6.25 + 6.25 + x = -6.087897831 + 6.25 Combine like terms: -6.25 + 6.25 = 0.00 0.00 + x = -6.087897831 + 6.25 x = -6.087897831 + 6.25 Combine like terms: -6.087897831 + 6.25 = 0.162102169 x = 0.162102169 Simplifying x = 0.162102169

Solution

The solution to the problem is based on the solutions from the subproblems. x = {12.337897831, 0.162102169}

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