37x^2-252x+189=0

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Solution for 37x^2-252x+189=0 equation:


Simplifying
37x2 + -252x + 189 = 0

Reorder the terms:
189 + -252x + 37x2 = 0

Solving
189 + -252x + 37x2 = 0

Solving for variable 'x'.

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

Divide each side by '37'.
5.108108108 + -6.810810811x + x2 = 0

Move the constant term to the right:

Add '-5.108108108' to each side of the equation.
5.108108108 + -6.810810811x + -5.108108108 + x2 = 0 + -5.108108108

Reorder the terms:
5.108108108 + -5.108108108 + -6.810810811x + x2 = 0 + -5.108108108

Combine like terms: 5.108108108 + -5.108108108 = 0.000000000
0.000000000 + -6.810810811x + x2 = 0 + -5.108108108
-6.810810811x + x2 = 0 + -5.108108108

Combine like terms: 0 + -5.108108108 = -5.108108108
-6.810810811x + x2 = -5.108108108

The x term is -6.810810811x.  Take half its coefficient (-3.405405406).
Square it (11.59678598) and add it to both sides.

Add '11.59678598' to each side of the equation.
-6.810810811x + 11.59678598 + x2 = -5.108108108 + 11.59678598

Reorder the terms:
11.59678598 + -6.810810811x + x2 = -5.108108108 + 11.59678598

Combine like terms: -5.108108108 + 11.59678598 = 6.488677872
11.59678598 + -6.810810811x + x2 = 6.488677872

Factor a perfect square on the left side:
(x + -3.405405406)(x + -3.405405406) = 6.488677872

Calculate the square root of the right side: 2.547288337

Break this problem into two subproblems by setting 
(x + -3.405405406) equal to 2.547288337 and -2.547288337.

Subproblem 1

x + -3.405405406 = 2.547288337 Simplifying x + -3.405405406 = 2.547288337 Reorder the terms: -3.405405406 + x = 2.547288337 Solving -3.405405406 + x = 2.547288337 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '3.405405406' to each side of the equation. -3.405405406 + 3.405405406 + x = 2.547288337 + 3.405405406 Combine like terms: -3.405405406 + 3.405405406 = 0.000000000 0.000000000 + x = 2.547288337 + 3.405405406 x = 2.547288337 + 3.405405406 Combine like terms: 2.547288337 + 3.405405406 = 5.952693743 x = 5.952693743 Simplifying x = 5.952693743

Subproblem 2

x + -3.405405406 = -2.547288337 Simplifying x + -3.405405406 = -2.547288337 Reorder the terms: -3.405405406 + x = -2.547288337 Solving -3.405405406 + x = -2.547288337 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '3.405405406' to each side of the equation. -3.405405406 + 3.405405406 + x = -2.547288337 + 3.405405406 Combine like terms: -3.405405406 + 3.405405406 = 0.000000000 0.000000000 + x = -2.547288337 + 3.405405406 x = -2.547288337 + 3.405405406 Combine like terms: -2.547288337 + 3.405405406 = 0.858117069 x = 0.858117069 Simplifying x = 0.858117069

Solution

The solution to the problem is based on the solutions from the subproblems. x = {5.952693743, 0.858117069}

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