18x^2+3-53x=0

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Solution for 18x^2+3-53x=0 equation:


Simplifying
18x2 + 3 + -53x = 0

Reorder the terms:
3 + -53x + 18x2 = 0

Solving
3 + -53x + 18x2 = 0

Solving for variable 'x'.

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

Divide each side by '18'.
0.1666666667 + -2.944444444x + x2 = 0

Move the constant term to the right:

Add '-0.1666666667' to each side of the equation.
0.1666666667 + -2.944444444x + -0.1666666667 + x2 = 0 + -0.1666666667

Reorder the terms:
0.1666666667 + -0.1666666667 + -2.944444444x + x2 = 0 + -0.1666666667

Combine like terms: 0.1666666667 + -0.1666666667 = 0.0000000000
0.0000000000 + -2.944444444x + x2 = 0 + -0.1666666667
-2.944444444x + x2 = 0 + -0.1666666667

Combine like terms: 0 + -0.1666666667 = -0.1666666667
-2.944444444x + x2 = -0.1666666667

The x term is -2.944444444x.  Take half its coefficient (-1.472222222).
Square it (2.167438271) and add it to both sides.

Add '2.167438271' to each side of the equation.
-2.944444444x + 2.167438271 + x2 = -0.1666666667 + 2.167438271

Reorder the terms:
2.167438271 + -2.944444444x + x2 = -0.1666666667 + 2.167438271

Combine like terms: -0.1666666667 + 2.167438271 = 2.0007716043
2.167438271 + -2.944444444x + x2 = 2.0007716043

Factor a perfect square on the left side:
(x + -1.472222222)(x + -1.472222222) = 2.0007716043

Calculate the square root of the right side: 1.414486339

Break this problem into two subproblems by setting 
(x + -1.472222222) equal to 1.414486339 and -1.414486339.

Subproblem 1

x + -1.472222222 = 1.414486339 Simplifying x + -1.472222222 = 1.414486339 Reorder the terms: -1.472222222 + x = 1.414486339 Solving -1.472222222 + x = 1.414486339 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.472222222' to each side of the equation. -1.472222222 + 1.472222222 + x = 1.414486339 + 1.472222222 Combine like terms: -1.472222222 + 1.472222222 = 0.000000000 0.000000000 + x = 1.414486339 + 1.472222222 x = 1.414486339 + 1.472222222 Combine like terms: 1.414486339 + 1.472222222 = 2.886708561 x = 2.886708561 Simplifying x = 2.886708561

Subproblem 2

x + -1.472222222 = -1.414486339 Simplifying x + -1.472222222 = -1.414486339 Reorder the terms: -1.472222222 + x = -1.414486339 Solving -1.472222222 + x = -1.414486339 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.472222222' to each side of the equation. -1.472222222 + 1.472222222 + x = -1.414486339 + 1.472222222 Combine like terms: -1.472222222 + 1.472222222 = 0.000000000 0.000000000 + x = -1.414486339 + 1.472222222 x = -1.414486339 + 1.472222222 Combine like terms: -1.414486339 + 1.472222222 = 0.057735883 x = 0.057735883 Simplifying x = 0.057735883

Solution

The solution to the problem is based on the solutions from the subproblems. x = {2.886708561, 0.057735883}

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