46.2x^2-251.2x+0.4995=0

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Solution for 46.2x^2-251.2x+0.4995=0 equation:


Simplifying
46.2x2 + -251.2x + 0.4995 = 0

Reorder the terms:
0.4995 + -251.2x + 46.2x2 = 0

Solving
0.4995 + -251.2x + 46.2x2 = 0

Solving for variable 'x'.

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

Divide each side by '46.2'.
0.01081168831 + -5.437229437x + x2 = 0

Move the constant term to the right:

Add '-0.01081168831' to each side of the equation.
0.01081168831 + -5.437229437x + -0.01081168831 + x2 = 0 + -0.01081168831

Reorder the terms:
0.01081168831 + -0.01081168831 + -5.437229437x + x2 = 0 + -0.01081168831

Combine like terms: 0.01081168831 + -0.01081168831 = 0.00000000000
0.00000000000 + -5.437229437x + x2 = 0 + -0.01081168831
-5.437229437x + x2 = 0 + -0.01081168831

Combine like terms: 0 + -0.01081168831 = -0.01081168831
-5.437229437x + x2 = -0.01081168831

The x term is -5.437229437x.  Take half its coefficient (-2.718614719).
Square it (7.390865990) and add it to both sides.

Add '7.390865990' to each side of the equation.
-5.437229437x + 7.390865990 + x2 = -0.01081168831 + 7.390865990

Reorder the terms:
7.390865990 + -5.437229437x + x2 = -0.01081168831 + 7.390865990

Combine like terms: -0.01081168831 + 7.390865990 = 7.38005430169
7.390865990 + -5.437229437x + x2 = 7.38005430169

Factor a perfect square on the left side:
(x + -2.718614719)(x + -2.718614719) = 7.38005430169

Calculate the square root of the right side: 2.716625536

Break this problem into two subproblems by setting 
(x + -2.718614719) equal to 2.716625536 and -2.716625536.

Subproblem 1

x + -2.718614719 = 2.716625536 Simplifying x + -2.718614719 = 2.716625536 Reorder the terms: -2.718614719 + x = 2.716625536 Solving -2.718614719 + x = 2.716625536 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2.718614719' to each side of the equation. -2.718614719 + 2.718614719 + x = 2.716625536 + 2.718614719 Combine like terms: -2.718614719 + 2.718614719 = 0.000000000 0.000000000 + x = 2.716625536 + 2.718614719 x = 2.716625536 + 2.718614719 Combine like terms: 2.716625536 + 2.718614719 = 5.435240255 x = 5.435240255 Simplifying x = 5.435240255

Subproblem 2

x + -2.718614719 = -2.716625536 Simplifying x + -2.718614719 = -2.716625536 Reorder the terms: -2.718614719 + x = -2.716625536 Solving -2.718614719 + x = -2.716625536 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2.718614719' to each side of the equation. -2.718614719 + 2.718614719 + x = -2.716625536 + 2.718614719 Combine like terms: -2.718614719 + 2.718614719 = 0.000000000 0.000000000 + x = -2.716625536 + 2.718614719 x = -2.716625536 + 2.718614719 Combine like terms: -2.716625536 + 2.718614719 = 0.001989183 x = 0.001989183 Simplifying x = 0.001989183

Solution

The solution to the problem is based on the solutions from the subproblems. x = {5.435240255, 0.001989183}

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