37x^2-10x-7=0

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Solution for 37x^2-10x-7=0 equation:


Simplifying
37x2 + -10x + -7 = 0

Reorder the terms:
-7 + -10x + 37x2 = 0

Solving
-7 + -10x + 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'.
-0.1891891892 + -0.2702702703x + x2 = 0

Move the constant term to the right:

Add '0.1891891892' to each side of the equation.
-0.1891891892 + -0.2702702703x + 0.1891891892 + x2 = 0 + 0.1891891892

Reorder the terms:
-0.1891891892 + 0.1891891892 + -0.2702702703x + x2 = 0 + 0.1891891892

Combine like terms: -0.1891891892 + 0.1891891892 = 0.0000000000
0.0000000000 + -0.2702702703x + x2 = 0 + 0.1891891892
-0.2702702703x + x2 = 0 + 0.1891891892

Combine like terms: 0 + 0.1891891892 = 0.1891891892
-0.2702702703x + x2 = 0.1891891892

The x term is -0.2702702703x.  Take half its coefficient (-0.1351351352).
Square it (0.01826150477) and add it to both sides.

Add '0.01826150477' to each side of the equation.
-0.2702702703x + 0.01826150477 + x2 = 0.1891891892 + 0.01826150477

Reorder the terms:
0.01826150477 + -0.2702702703x + x2 = 0.1891891892 + 0.01826150477

Combine like terms: 0.1891891892 + 0.01826150477 = 0.20745069397
0.01826150477 + -0.2702702703x + x2 = 0.20745069397

Factor a perfect square on the left side:
(x + -0.1351351352)(x + -0.1351351352) = 0.20745069397

Calculate the square root of the right side: 0.455467555

Break this problem into two subproblems by setting 
(x + -0.1351351352) equal to 0.455467555 and -0.455467555.

Subproblem 1

x + -0.1351351352 = 0.455467555 Simplifying x + -0.1351351352 = 0.455467555 Reorder the terms: -0.1351351352 + x = 0.455467555 Solving -0.1351351352 + x = 0.455467555 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.1351351352' to each side of the equation. -0.1351351352 + 0.1351351352 + x = 0.455467555 + 0.1351351352 Combine like terms: -0.1351351352 + 0.1351351352 = 0.0000000000 0.0000000000 + x = 0.455467555 + 0.1351351352 x = 0.455467555 + 0.1351351352 Combine like terms: 0.455467555 + 0.1351351352 = 0.5906026902 x = 0.5906026902 Simplifying x = 0.5906026902

Subproblem 2

x + -0.1351351352 = -0.455467555 Simplifying x + -0.1351351352 = -0.455467555 Reorder the terms: -0.1351351352 + x = -0.455467555 Solving -0.1351351352 + x = -0.455467555 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.1351351352' to each side of the equation. -0.1351351352 + 0.1351351352 + x = -0.455467555 + 0.1351351352 Combine like terms: -0.1351351352 + 0.1351351352 = 0.0000000000 0.0000000000 + x = -0.455467555 + 0.1351351352 x = -0.455467555 + 0.1351351352 Combine like terms: -0.455467555 + 0.1351351352 = -0.3203324198 x = -0.3203324198 Simplifying x = -0.3203324198

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.5906026902, -0.3203324198}

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