36x^2+61x-183=0

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Solution for 36x^2+61x-183=0 equation:


Simplifying
36x2 + 61x + -183 = 0

Reorder the terms:
-183 + 61x + 36x2 = 0

Solving
-183 + 61x + 36x2 = 0

Solving for variable 'x'.

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

Divide each side by '36'.
-5.083333333 + 1.694444444x + x2 = 0

Move the constant term to the right:

Add '5.083333333' to each side of the equation.
-5.083333333 + 1.694444444x + 5.083333333 + x2 = 0 + 5.083333333

Reorder the terms:
-5.083333333 + 5.083333333 + 1.694444444x + x2 = 0 + 5.083333333

Combine like terms: -5.083333333 + 5.083333333 = 0.000000000
0.000000000 + 1.694444444x + x2 = 0 + 5.083333333
1.694444444x + x2 = 0 + 5.083333333

Combine like terms: 0 + 5.083333333 = 5.083333333
1.694444444x + x2 = 5.083333333

The x term is 1.694444444x.  Take half its coefficient (0.847222222).
Square it (0.7177854935) and add it to both sides.

Add '0.7177854935' to each side of the equation.
1.694444444x + 0.7177854935 + x2 = 5.083333333 + 0.7177854935

Reorder the terms:
0.7177854935 + 1.694444444x + x2 = 5.083333333 + 0.7177854935

Combine like terms: 5.083333333 + 0.7177854935 = 5.8011188265
0.7177854935 + 1.694444444x + x2 = 5.8011188265

Factor a perfect square on the left side:
(x + 0.847222222)(x + 0.847222222) = 5.8011188265

Calculate the square root of the right side: 2.408551188

Break this problem into two subproblems by setting 
(x + 0.847222222) equal to 2.408551188 and -2.408551188.

Subproblem 1

x + 0.847222222 = 2.408551188 Simplifying x + 0.847222222 = 2.408551188 Reorder the terms: 0.847222222 + x = 2.408551188 Solving 0.847222222 + x = 2.408551188 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.847222222' to each side of the equation. 0.847222222 + -0.847222222 + x = 2.408551188 + -0.847222222 Combine like terms: 0.847222222 + -0.847222222 = 0.000000000 0.000000000 + x = 2.408551188 + -0.847222222 x = 2.408551188 + -0.847222222 Combine like terms: 2.408551188 + -0.847222222 = 1.561328966 x = 1.561328966 Simplifying x = 1.561328966

Subproblem 2

x + 0.847222222 = -2.408551188 Simplifying x + 0.847222222 = -2.408551188 Reorder the terms: 0.847222222 + x = -2.408551188 Solving 0.847222222 + x = -2.408551188 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.847222222' to each side of the equation. 0.847222222 + -0.847222222 + x = -2.408551188 + -0.847222222 Combine like terms: 0.847222222 + -0.847222222 = 0.000000000 0.000000000 + x = -2.408551188 + -0.847222222 x = -2.408551188 + -0.847222222 Combine like terms: -2.408551188 + -0.847222222 = -3.25577341 x = -3.25577341 Simplifying x = -3.25577341

Solution

The solution to the problem is based on the solutions from the subproblems. x = {1.561328966, -3.25577341}

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