36x^2-40x+1=0

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Solution for 36x^2-40x+1=0 equation:


Simplifying
36x2 + -40x + 1 = 0

Reorder the terms:
1 + -40x + 36x2 = 0

Solving
1 + -40x + 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'.
0.02777777778 + -1.111111111x + x2 = 0

Move the constant term to the right:

Add '-0.02777777778' to each side of the equation.
0.02777777778 + -1.111111111x + -0.02777777778 + x2 = 0 + -0.02777777778

Reorder the terms:
0.02777777778 + -0.02777777778 + -1.111111111x + x2 = 0 + -0.02777777778

Combine like terms: 0.02777777778 + -0.02777777778 = 0.00000000000
0.00000000000 + -1.111111111x + x2 = 0 + -0.02777777778
-1.111111111x + x2 = 0 + -0.02777777778

Combine like terms: 0 + -0.02777777778 = -0.02777777778
-1.111111111x + x2 = -0.02777777778

The x term is -1.111111111x.  Take half its coefficient (-0.5555555555).
Square it (0.3086419752) and add it to both sides.

Add '0.3086419752' to each side of the equation.
-1.111111111x + 0.3086419752 + x2 = -0.02777777778 + 0.3086419752

Reorder the terms:
0.3086419752 + -1.111111111x + x2 = -0.02777777778 + 0.3086419752

Combine like terms: -0.02777777778 + 0.3086419752 = 0.28086419742
0.3086419752 + -1.111111111x + x2 = 0.28086419742

Factor a perfect square on the left side:
(x + -0.5555555555)(x + -0.5555555555) = 0.28086419742

Calculate the square root of the right side: 0.529966223

Break this problem into two subproblems by setting 
(x + -0.5555555555) equal to 0.529966223 and -0.529966223.

Subproblem 1

x + -0.5555555555 = 0.529966223 Simplifying x + -0.5555555555 = 0.529966223 Reorder the terms: -0.5555555555 + x = 0.529966223 Solving -0.5555555555 + x = 0.529966223 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.5555555555' to each side of the equation. -0.5555555555 + 0.5555555555 + x = 0.529966223 + 0.5555555555 Combine like terms: -0.5555555555 + 0.5555555555 = 0.0000000000 0.0000000000 + x = 0.529966223 + 0.5555555555 x = 0.529966223 + 0.5555555555 Combine like terms: 0.529966223 + 0.5555555555 = 1.0855217785 x = 1.0855217785 Simplifying x = 1.0855217785

Subproblem 2

x + -0.5555555555 = -0.529966223 Simplifying x + -0.5555555555 = -0.529966223 Reorder the terms: -0.5555555555 + x = -0.529966223 Solving -0.5555555555 + x = -0.529966223 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.5555555555' to each side of the equation. -0.5555555555 + 0.5555555555 + x = -0.529966223 + 0.5555555555 Combine like terms: -0.5555555555 + 0.5555555555 = 0.0000000000 0.0000000000 + x = -0.529966223 + 0.5555555555 x = -0.529966223 + 0.5555555555 Combine like terms: -0.529966223 + 0.5555555555 = 0.0255893325 x = 0.0255893325 Simplifying x = 0.0255893325

Solution

The solution to the problem is based on the solutions from the subproblems. x = {1.0855217785, 0.0255893325}

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