4x^2-38x+49=0

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Solution for 4x^2-38x+49=0 equation:


Simplifying
4x2 + -38x + 49 = 0

Reorder the terms:
49 + -38x + 4x2 = 0

Solving
49 + -38x + 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'.
12.25 + -9.5x + x2 = 0

Move the constant term to the right:

Add '-12.25' to each side of the equation.
12.25 + -9.5x + -12.25 + x2 = 0 + -12.25

Reorder the terms:
12.25 + -12.25 + -9.5x + x2 = 0 + -12.25

Combine like terms: 12.25 + -12.25 = 0.00
0.00 + -9.5x + x2 = 0 + -12.25
-9.5x + x2 = 0 + -12.25

Combine like terms: 0 + -12.25 = -12.25
-9.5x + x2 = -12.25

The x term is -9.5x.  Take half its coefficient (-4.75).
Square it (22.5625) and add it to both sides.

Add '22.5625' to each side of the equation.
-9.5x + 22.5625 + x2 = -12.25 + 22.5625

Reorder the terms:
22.5625 + -9.5x + x2 = -12.25 + 22.5625

Combine like terms: -12.25 + 22.5625 = 10.3125
22.5625 + -9.5x + x2 = 10.3125

Factor a perfect square on the left side:
(x + -4.75)(x + -4.75) = 10.3125

Calculate the square root of the right side: 3.211308145

Break this problem into two subproblems by setting 
(x + -4.75) equal to 3.211308145 and -3.211308145.

Subproblem 1

x + -4.75 = 3.211308145 Simplifying x + -4.75 = 3.211308145 Reorder the terms: -4.75 + x = 3.211308145 Solving -4.75 + x = 3.211308145 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '4.75' to each side of the equation. -4.75 + 4.75 + x = 3.211308145 + 4.75 Combine like terms: -4.75 + 4.75 = 0.00 0.00 + x = 3.211308145 + 4.75 x = 3.211308145 + 4.75 Combine like terms: 3.211308145 + 4.75 = 7.961308145 x = 7.961308145 Simplifying x = 7.961308145

Subproblem 2

x + -4.75 = -3.211308145 Simplifying x + -4.75 = -3.211308145 Reorder the terms: -4.75 + x = -3.211308145 Solving -4.75 + x = -3.211308145 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '4.75' to each side of the equation. -4.75 + 4.75 + x = -3.211308145 + 4.75 Combine like terms: -4.75 + 4.75 = 0.00 0.00 + x = -3.211308145 + 4.75 x = -3.211308145 + 4.75 Combine like terms: -3.211308145 + 4.75 = 1.538691855 x = 1.538691855 Simplifying x = 1.538691855

Solution

The solution to the problem is based on the solutions from the subproblems. x = {7.961308145, 1.538691855}

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