6(6x^2-1)=5x

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Solution for 6(6x^2-1)=5x equation:


Simplifying
6(6x2 + -1) = 5x

Reorder the terms:
6(-1 + 6x2) = 5x
(-1 * 6 + 6x2 * 6) = 5x
(-6 + 36x2) = 5x

Solving
-6 + 36x2 = 5x

Solving for variable 'x'.

Reorder the terms:
-6 + -5x + 36x2 = 5x + -5x

Combine like terms: 5x + -5x = 0
-6 + -5x + 36x2 = 0

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

Divide each side by '36'.
-0.1666666667 + -0.1388888889x + x2 = 0

Move the constant term to the right:

Add '0.1666666667' to each side of the equation.
-0.1666666667 + -0.1388888889x + 0.1666666667 + x2 = 0 + 0.1666666667

Reorder the terms:
-0.1666666667 + 0.1666666667 + -0.1388888889x + x2 = 0 + 0.1666666667

Combine like terms: -0.1666666667 + 0.1666666667 = 0.0000000000
0.0000000000 + -0.1388888889x + x2 = 0 + 0.1666666667
-0.1388888889x + x2 = 0 + 0.1666666667

Combine like terms: 0 + 0.1666666667 = 0.1666666667
-0.1388888889x + x2 = 0.1666666667

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 = 0.1666666667 + 0.004822530865

Reorder the terms:
0.004822530865 + -0.1388888889x + x2 = 0.1666666667 + 0.004822530865

Combine like terms: 0.1666666667 + 0.004822530865 = 0.171489197565
0.004822530865 + -0.1388888889x + x2 = 0.171489197565

Factor a perfect square on the left side:
(x + -0.06944444445)(x + -0.06944444445) = 0.171489197565

Calculate the square root of the right side: 0.414112542

Break this problem into two subproblems by setting 
(x + -0.06944444445) equal to 0.414112542 and -0.414112542.

Subproblem 1

x + -0.06944444445 = 0.414112542 Simplifying x + -0.06944444445 = 0.414112542 Reorder the terms: -0.06944444445 + x = 0.414112542 Solving -0.06944444445 + x = 0.414112542 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 = 0.414112542 + 0.06944444445 Combine like terms: -0.06944444445 + 0.06944444445 = 0.00000000000 0.00000000000 + x = 0.414112542 + 0.06944444445 x = 0.414112542 + 0.06944444445 Combine like terms: 0.414112542 + 0.06944444445 = 0.48355698645 x = 0.48355698645 Simplifying x = 0.48355698645

Subproblem 2

x + -0.06944444445 = -0.414112542 Simplifying x + -0.06944444445 = -0.414112542 Reorder the terms: -0.06944444445 + x = -0.414112542 Solving -0.06944444445 + x = -0.414112542 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 = -0.414112542 + 0.06944444445 Combine like terms: -0.06944444445 + 0.06944444445 = 0.00000000000 0.00000000000 + x = -0.414112542 + 0.06944444445 x = -0.414112542 + 0.06944444445 Combine like terms: -0.414112542 + 0.06944444445 = -0.34466809755 x = -0.34466809755 Simplifying x = -0.34466809755

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.48355698645, -0.34466809755}

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