0.4x^2-29x+44=0

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Solution for 0.4x^2-29x+44=0 equation:


Simplifying
0.4x2 + -29x + 44 = 0

Reorder the terms:
44 + -29x + 0.4x2 = 0

Solving
44 + -29x + 0.4x2 = 0

Solving for variable 'x'.

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

Divide each side by '0.4'.
110 + -72.5x + x2 = 0

Move the constant term to the right:

Add '-110' to each side of the equation.
110 + -72.5x + -110 + x2 = 0 + -110

Reorder the terms:
110 + -110 + -72.5x + x2 = 0 + -110

Combine like terms: 110 + -110 = 0
0 + -72.5x + x2 = 0 + -110
-72.5x + x2 = 0 + -110

Combine like terms: 0 + -110 = -110
-72.5x + x2 = -110

The x term is -72.5x.  Take half its coefficient (-36.25).
Square it (1314.0625) and add it to both sides.

Add '1314.0625' to each side of the equation.
-72.5x + 1314.0625 + x2 = -110 + 1314.0625

Reorder the terms:
1314.0625 + -72.5x + x2 = -110 + 1314.0625

Combine like terms: -110 + 1314.0625 = 1204.0625
1314.0625 + -72.5x + x2 = 1204.0625

Factor a perfect square on the left side:
(x + -36.25)(x + -36.25) = 1204.0625

Calculate the square root of the right side: 34.699603744

Break this problem into two subproblems by setting 
(x + -36.25) equal to 34.699603744 and -34.699603744.

Subproblem 1

x + -36.25 = 34.699603744 Simplifying x + -36.25 = 34.699603744 Reorder the terms: -36.25 + x = 34.699603744 Solving -36.25 + x = 34.699603744 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '36.25' to each side of the equation. -36.25 + 36.25 + x = 34.699603744 + 36.25 Combine like terms: -36.25 + 36.25 = 0.00 0.00 + x = 34.699603744 + 36.25 x = 34.699603744 + 36.25 Combine like terms: 34.699603744 + 36.25 = 70.949603744 x = 70.949603744 Simplifying x = 70.949603744

Subproblem 2

x + -36.25 = -34.699603744 Simplifying x + -36.25 = -34.699603744 Reorder the terms: -36.25 + x = -34.699603744 Solving -36.25 + x = -34.699603744 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '36.25' to each side of the equation. -36.25 + 36.25 + x = -34.699603744 + 36.25 Combine like terms: -36.25 + 36.25 = 0.00 0.00 + x = -34.699603744 + 36.25 x = -34.699603744 + 36.25 Combine like terms: -34.699603744 + 36.25 = 1.550396256 x = 1.550396256 Simplifying x = 1.550396256

Solution

The solution to the problem is based on the solutions from the subproblems. x = {70.949603744, 1.550396256}

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