137x^2-1912x-1644=0

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Solution for 137x^2-1912x-1644=0 equation:


Simplifying
137x2 + -1912x + -1644 = 0

Reorder the terms:
-1644 + -1912x + 137x2 = 0

Solving
-1644 + -1912x + 137x2 = 0

Solving for variable 'x'.

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

Divide each side by '137'.
-12 + -13.95620438x + x2 = 0

Move the constant term to the right:

Add '12' to each side of the equation.
-12 + -13.95620438x + 12 + x2 = 0 + 12

Reorder the terms:
-12 + 12 + -13.95620438x + x2 = 0 + 12

Combine like terms: -12 + 12 = 0
0 + -13.95620438x + x2 = 0 + 12
-13.95620438x + x2 = 0 + 12

Combine like terms: 0 + 12 = 12
-13.95620438x + x2 = 12

The x term is -13.95620438x.  Take half its coefficient (-6.97810219).
Square it (48.69391017) and add it to both sides.

Add '48.69391017' to each side of the equation.
-13.95620438x + 48.69391017 + x2 = 12 + 48.69391017

Reorder the terms:
48.69391017 + -13.95620438x + x2 = 12 + 48.69391017

Combine like terms: 12 + 48.69391017 = 60.69391017
48.69391017 + -13.95620438x + x2 = 60.69391017

Factor a perfect square on the left side:
(x + -6.97810219)(x + -6.97810219) = 60.69391017

Calculate the square root of the right side: 7.790629639

Break this problem into two subproblems by setting 
(x + -6.97810219) equal to 7.790629639 and -7.790629639.

Subproblem 1

x + -6.97810219 = 7.790629639 Simplifying x + -6.97810219 = 7.790629639 Reorder the terms: -6.97810219 + x = 7.790629639 Solving -6.97810219 + x = 7.790629639 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '6.97810219' to each side of the equation. -6.97810219 + 6.97810219 + x = 7.790629639 + 6.97810219 Combine like terms: -6.97810219 + 6.97810219 = 0.00000000 0.00000000 + x = 7.790629639 + 6.97810219 x = 7.790629639 + 6.97810219 Combine like terms: 7.790629639 + 6.97810219 = 14.768731829 x = 14.768731829 Simplifying x = 14.768731829

Subproblem 2

x + -6.97810219 = -7.790629639 Simplifying x + -6.97810219 = -7.790629639 Reorder the terms: -6.97810219 + x = -7.790629639 Solving -6.97810219 + x = -7.790629639 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '6.97810219' to each side of the equation. -6.97810219 + 6.97810219 + x = -7.790629639 + 6.97810219 Combine like terms: -6.97810219 + 6.97810219 = 0.00000000 0.00000000 + x = -7.790629639 + 6.97810219 x = -7.790629639 + 6.97810219 Combine like terms: -7.790629639 + 6.97810219 = -0.812527449 x = -0.812527449 Simplifying x = -0.812527449

Solution

The solution to the problem is based on the solutions from the subproblems. x = {14.768731829, -0.812527449}

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