12x^2-10x=1

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Solution for 12x^2-10x=1 equation:


Simplifying
12x2 + -10x = 1

Reorder the terms:
-10x + 12x2 = 1

Solving
-10x + 12x2 = 1

Solving for variable 'x'.

Reorder the terms:
-1 + -10x + 12x2 = 1 + -1

Combine like terms: 1 + -1 = 0
-1 + -10x + 12x2 = 0

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

Divide each side by '12'.
-0.08333333333 + -0.8333333333x + x2 = 0

Move the constant term to the right:

Add '0.08333333333' to each side of the equation.
-0.08333333333 + -0.8333333333x + 0.08333333333 + x2 = 0 + 0.08333333333

Reorder the terms:
-0.08333333333 + 0.08333333333 + -0.8333333333x + x2 = 0 + 0.08333333333

Combine like terms: -0.08333333333 + 0.08333333333 = 0.00000000000
0.00000000000 + -0.8333333333x + x2 = 0 + 0.08333333333
-0.8333333333x + x2 = 0 + 0.08333333333

Combine like terms: 0 + 0.08333333333 = 0.08333333333
-0.8333333333x + x2 = 0.08333333333

The x term is -0.8333333333x.  Take half its coefficient (-0.4166666667).
Square it (0.1736111111) and add it to both sides.

Add '0.1736111111' to each side of the equation.
-0.8333333333x + 0.1736111111 + x2 = 0.08333333333 + 0.1736111111

Reorder the terms:
0.1736111111 + -0.8333333333x + x2 = 0.08333333333 + 0.1736111111

Combine like terms: 0.08333333333 + 0.1736111111 = 0.25694444443
0.1736111111 + -0.8333333333x + x2 = 0.25694444443

Factor a perfect square on the left side:
(x + -0.4166666667)(x + -0.4166666667) = 0.25694444443

Calculate the square root of the right side: 0.506896878

Break this problem into two subproblems by setting 
(x + -0.4166666667) equal to 0.506896878 and -0.506896878.

Subproblem 1

x + -0.4166666667 = 0.506896878 Simplifying x + -0.4166666667 = 0.506896878 Reorder the terms: -0.4166666667 + x = 0.506896878 Solving -0.4166666667 + x = 0.506896878 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.4166666667' to each side of the equation. -0.4166666667 + 0.4166666667 + x = 0.506896878 + 0.4166666667 Combine like terms: -0.4166666667 + 0.4166666667 = 0.0000000000 0.0000000000 + x = 0.506896878 + 0.4166666667 x = 0.506896878 + 0.4166666667 Combine like terms: 0.506896878 + 0.4166666667 = 0.9235635447 x = 0.9235635447 Simplifying x = 0.9235635447

Subproblem 2

x + -0.4166666667 = -0.506896878 Simplifying x + -0.4166666667 = -0.506896878 Reorder the terms: -0.4166666667 + x = -0.506896878 Solving -0.4166666667 + x = -0.506896878 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.4166666667' to each side of the equation. -0.4166666667 + 0.4166666667 + x = -0.506896878 + 0.4166666667 Combine like terms: -0.4166666667 + 0.4166666667 = 0.0000000000 0.0000000000 + x = -0.506896878 + 0.4166666667 x = -0.506896878 + 0.4166666667 Combine like terms: -0.506896878 + 0.4166666667 = -0.0902302113 x = -0.0902302113 Simplifying x = -0.0902302113

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.9235635447, -0.0902302113}

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