36x^2-36=5x

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Solution for 36x^2-36=5x equation:


Simplifying
36x2 + -36 = 5x

Reorder the terms:
-36 + 36x2 = 5x

Solving
-36 + 36x2 = 5x

Solving for variable 'x'.

Reorder the terms:
-36 + -5x + 36x2 = 5x + -5x

Combine like terms: 5x + -5x = 0
-36 + -5x + 36x2 = 0

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

Divide each side by '36'.
-1 + -0.1388888889x + x2 = 0

Move the constant term to the right:

Add '1' to each side of the equation.
-1 + -0.1388888889x + 1 + x2 = 0 + 1

Reorder the terms:
-1 + 1 + -0.1388888889x + x2 = 0 + 1

Combine like terms: -1 + 1 = 0
0 + -0.1388888889x + x2 = 0 + 1
-0.1388888889x + x2 = 0 + 1

Combine like terms: 0 + 1 = 1
-0.1388888889x + x2 = 1

The x term is -0.1388888889x.  Take half its coefficient (-0.06944444445).
Square it (0.004822530865) and add it to both sides.

Add '0.004822530865' to each side of the equation.
-0.1388888889x + 0.004822530865 + x2 = 1 + 0.004822530865

Reorder the terms:
0.004822530865 + -0.1388888889x + x2 = 1 + 0.004822530865

Combine like terms: 1 + 0.004822530865 = 1.004822530865
0.004822530865 + -0.1388888889x + x2 = 1.004822530865

Factor a perfect square on the left side:
(x + -0.06944444445)(x + -0.06944444445) = 1.004822530865

Calculate the square root of the right side: 1.002408365

Break this problem into two subproblems by setting 
(x + -0.06944444445) equal to 1.002408365 and -1.002408365.

Subproblem 1

x + -0.06944444445 = 1.002408365 Simplifying x + -0.06944444445 = 1.002408365 Reorder the terms: -0.06944444445 + x = 1.002408365 Solving -0.06944444445 + x = 1.002408365 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.06944444445' to each side of the equation. -0.06944444445 + 0.06944444445 + x = 1.002408365 + 0.06944444445 Combine like terms: -0.06944444445 + 0.06944444445 = 0.00000000000 0.00000000000 + x = 1.002408365 + 0.06944444445 x = 1.002408365 + 0.06944444445 Combine like terms: 1.002408365 + 0.06944444445 = 1.07185280945 x = 1.07185280945 Simplifying x = 1.07185280945

Subproblem 2

x + -0.06944444445 = -1.002408365 Simplifying x + -0.06944444445 = -1.002408365 Reorder the terms: -0.06944444445 + x = -1.002408365 Solving -0.06944444445 + x = -1.002408365 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.06944444445' to each side of the equation. -0.06944444445 + 0.06944444445 + x = -1.002408365 + 0.06944444445 Combine like terms: -0.06944444445 + 0.06944444445 = 0.00000000000 0.00000000000 + x = -1.002408365 + 0.06944444445 x = -1.002408365 + 0.06944444445 Combine like terms: -1.002408365 + 0.06944444445 = -0.93296392055 x = -0.93296392055 Simplifying x = -0.93296392055

Solution

The solution to the problem is based on the solutions from the subproblems. x = {1.07185280945, -0.93296392055}

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