4x^2-40x+1=0

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Solution for 4x^2-40x+1=0 equation:


Simplifying
4x2 + -40x + 1 = 0

Reorder the terms:
1 + -40x + 4x2 = 0

Solving
1 + -40x + 4x2 = 0

Solving for variable 'x'.

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

Divide each side by '4'.
0.25 + -10x + x2 = 0

Move the constant term to the right:

Add '-0.25' to each side of the equation.
0.25 + -10x + -0.25 + x2 = 0 + -0.25

Reorder the terms:
0.25 + -0.25 + -10x + x2 = 0 + -0.25

Combine like terms: 0.25 + -0.25 = 0.00
0.00 + -10x + x2 = 0 + -0.25
-10x + x2 = 0 + -0.25

Combine like terms: 0 + -0.25 = -0.25
-10x + x2 = -0.25

The x term is -10x.  Take half its coefficient (-5).
Square it (25) and add it to both sides.

Add '25' to each side of the equation.
-10x + 25 + x2 = -0.25 + 25

Reorder the terms:
25 + -10x + x2 = -0.25 + 25

Combine like terms: -0.25 + 25 = 24.75
25 + -10x + x2 = 24.75

Factor a perfect square on the left side:
(x + -5)(x + -5) = 24.75

Calculate the square root of the right side: 4.974937186

Break this problem into two subproblems by setting 
(x + -5) equal to 4.974937186 and -4.974937186.

Subproblem 1

x + -5 = 4.974937186 Simplifying x + -5 = 4.974937186 Reorder the terms: -5 + x = 4.974937186 Solving -5 + x = 4.974937186 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '5' to each side of the equation. -5 + 5 + x = 4.974937186 + 5 Combine like terms: -5 + 5 = 0 0 + x = 4.974937186 + 5 x = 4.974937186 + 5 Combine like terms: 4.974937186 + 5 = 9.974937186 x = 9.974937186 Simplifying x = 9.974937186

Subproblem 2

x + -5 = -4.974937186 Simplifying x + -5 = -4.974937186 Reorder the terms: -5 + x = -4.974937186 Solving -5 + x = -4.974937186 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '5' to each side of the equation. -5 + 5 + x = -4.974937186 + 5 Combine like terms: -5 + 5 = 0 0 + x = -4.974937186 + 5 x = -4.974937186 + 5 Combine like terms: -4.974937186 + 5 = 0.025062814 x = 0.025062814 Simplifying x = 0.025062814

Solution

The solution to the problem is based on the solutions from the subproblems. x = {9.974937186, 0.025062814}

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