5x^2-41x+46=0

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Solution for 5x^2-41x+46=0 equation:


Simplifying
5x2 + -41x + 46 = 0

Reorder the terms:
46 + -41x + 5x2 = 0

Solving
46 + -41x + 5x2 = 0

Solving for variable 'x'.

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

Divide each side by '5'.
9.2 + -8.2x + x2 = 0

Move the constant term to the right:

Add '-9.2' to each side of the equation.
9.2 + -8.2x + -9.2 + x2 = 0 + -9.2

Reorder the terms:
9.2 + -9.2 + -8.2x + x2 = 0 + -9.2

Combine like terms: 9.2 + -9.2 = 0.0
0.0 + -8.2x + x2 = 0 + -9.2
-8.2x + x2 = 0 + -9.2

Combine like terms: 0 + -9.2 = -9.2
-8.2x + x2 = -9.2

The x term is -8.2x.  Take half its coefficient (-4.1).
Square it (16.81) and add it to both sides.

Add '16.81' to each side of the equation.
-8.2x + 16.81 + x2 = -9.2 + 16.81

Reorder the terms:
16.81 + -8.2x + x2 = -9.2 + 16.81

Combine like terms: -9.2 + 16.81 = 7.61
16.81 + -8.2x + x2 = 7.61

Factor a perfect square on the left side:
(x + -4.1)(x + -4.1) = 7.61

Calculate the square root of the right side: 2.758622845

Break this problem into two subproblems by setting 
(x + -4.1) equal to 2.758622845 and -2.758622845.

Subproblem 1

x + -4.1 = 2.758622845 Simplifying x + -4.1 = 2.758622845 Reorder the terms: -4.1 + x = 2.758622845 Solving -4.1 + x = 2.758622845 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '4.1' to each side of the equation. -4.1 + 4.1 + x = 2.758622845 + 4.1 Combine like terms: -4.1 + 4.1 = 0.0 0.0 + x = 2.758622845 + 4.1 x = 2.758622845 + 4.1 Combine like terms: 2.758622845 + 4.1 = 6.858622845 x = 6.858622845 Simplifying x = 6.858622845

Subproblem 2

x + -4.1 = -2.758622845 Simplifying x + -4.1 = -2.758622845 Reorder the terms: -4.1 + x = -2.758622845 Solving -4.1 + x = -2.758622845 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '4.1' to each side of the equation. -4.1 + 4.1 + x = -2.758622845 + 4.1 Combine like terms: -4.1 + 4.1 = 0.0 0.0 + x = -2.758622845 + 4.1 x = -2.758622845 + 4.1 Combine like terms: -2.758622845 + 4.1 = 1.341377155 x = 1.341377155 Simplifying x = 1.341377155

Solution

The solution to the problem is based on the solutions from the subproblems. x = {6.858622845, 1.341377155}

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