36x^2-49x+4=0

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Solution for 36x^2-49x+4=0 equation:


Simplifying
36x2 + -49x + 4 = 0

Reorder the terms:
4 + -49x + 36x2 = 0

Solving
4 + -49x + 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'.
0.1111111111 + -1.361111111x + x2 = 0

Move the constant term to the right:

Add '-0.1111111111' to each side of the equation.
0.1111111111 + -1.361111111x + -0.1111111111 + x2 = 0 + -0.1111111111

Reorder the terms:
0.1111111111 + -0.1111111111 + -1.361111111x + x2 = 0 + -0.1111111111

Combine like terms: 0.1111111111 + -0.1111111111 = 0.0000000000
0.0000000000 + -1.361111111x + x2 = 0 + -0.1111111111
-1.361111111x + x2 = 0 + -0.1111111111

Combine like terms: 0 + -0.1111111111 = -0.1111111111
-1.361111111x + x2 = -0.1111111111

The x term is -1.361111111x.  Take half its coefficient (-0.6805555555).
Square it (0.4631558641) and add it to both sides.

Add '0.4631558641' to each side of the equation.
-1.361111111x + 0.4631558641 + x2 = -0.1111111111 + 0.4631558641

Reorder the terms:
0.4631558641 + -1.361111111x + x2 = -0.1111111111 + 0.4631558641

Combine like terms: -0.1111111111 + 0.4631558641 = 0.352044753
0.4631558641 + -1.361111111x + x2 = 0.352044753

Factor a perfect square on the left side:
(x + -0.6805555555)(x + -0.6805555555) = 0.352044753

Calculate the square root of the right side: 0.593333593

Break this problem into two subproblems by setting 
(x + -0.6805555555) equal to 0.593333593 and -0.593333593.

Subproblem 1

x + -0.6805555555 = 0.593333593 Simplifying x + -0.6805555555 = 0.593333593 Reorder the terms: -0.6805555555 + x = 0.593333593 Solving -0.6805555555 + x = 0.593333593 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.6805555555' to each side of the equation. -0.6805555555 + 0.6805555555 + x = 0.593333593 + 0.6805555555 Combine like terms: -0.6805555555 + 0.6805555555 = 0.0000000000 0.0000000000 + x = 0.593333593 + 0.6805555555 x = 0.593333593 + 0.6805555555 Combine like terms: 0.593333593 + 0.6805555555 = 1.2738891485 x = 1.2738891485 Simplifying x = 1.2738891485

Subproblem 2

x + -0.6805555555 = -0.593333593 Simplifying x + -0.6805555555 = -0.593333593 Reorder the terms: -0.6805555555 + x = -0.593333593 Solving -0.6805555555 + x = -0.593333593 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.6805555555' to each side of the equation. -0.6805555555 + 0.6805555555 + x = -0.593333593 + 0.6805555555 Combine like terms: -0.6805555555 + 0.6805555555 = 0.0000000000 0.0000000000 + x = -0.593333593 + 0.6805555555 x = -0.593333593 + 0.6805555555 Combine like terms: -0.593333593 + 0.6805555555 = 0.0872219625 x = 0.0872219625 Simplifying x = 0.0872219625

Solution

The solution to the problem is based on the solutions from the subproblems. x = {1.2738891485, 0.0872219625}

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