4x^2-34x+49=0

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Solution for 4x^2-34x+49=0 equation:


Simplifying
4x2 + -34x + 49 = 0

Reorder the terms:
49 + -34x + 4x2 = 0

Solving
49 + -34x + 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 + -8.5x + x2 = 0

Move the constant term to the right:

Add '-12.25' to each side of the equation.
12.25 + -8.5x + -12.25 + x2 = 0 + -12.25

Reorder the terms:
12.25 + -12.25 + -8.5x + x2 = 0 + -12.25

Combine like terms: 12.25 + -12.25 = 0.00
0.00 + -8.5x + x2 = 0 + -12.25
-8.5x + x2 = 0 + -12.25

Combine like terms: 0 + -12.25 = -12.25
-8.5x + x2 = -12.25

The x term is -8.5x.  Take half its coefficient (-4.25).
Square it (18.0625) and add it to both sides.

Add '18.0625' to each side of the equation.
-8.5x + 18.0625 + x2 = -12.25 + 18.0625

Reorder the terms:
18.0625 + -8.5x + x2 = -12.25 + 18.0625

Combine like terms: -12.25 + 18.0625 = 5.8125
18.0625 + -8.5x + x2 = 5.8125

Factor a perfect square on the left side:
(x + -4.25)(x + -4.25) = 5.8125

Calculate the square root of the right side: 2.41091269

Break this problem into two subproblems by setting 
(x + -4.25) equal to 2.41091269 and -2.41091269.

Subproblem 1

x + -4.25 = 2.41091269 Simplifying x + -4.25 = 2.41091269 Reorder the terms: -4.25 + x = 2.41091269 Solving -4.25 + x = 2.41091269 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '4.25' to each side of the equation. -4.25 + 4.25 + x = 2.41091269 + 4.25 Combine like terms: -4.25 + 4.25 = 0.00 0.00 + x = 2.41091269 + 4.25 x = 2.41091269 + 4.25 Combine like terms: 2.41091269 + 4.25 = 6.66091269 x = 6.66091269 Simplifying x = 6.66091269

Subproblem 2

x + -4.25 = -2.41091269 Simplifying x + -4.25 = -2.41091269 Reorder the terms: -4.25 + x = -2.41091269 Solving -4.25 + x = -2.41091269 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '4.25' to each side of the equation. -4.25 + 4.25 + x = -2.41091269 + 4.25 Combine like terms: -4.25 + 4.25 = 0.00 0.00 + x = -2.41091269 + 4.25 x = -2.41091269 + 4.25 Combine like terms: -2.41091269 + 4.25 = 1.83908731 x = 1.83908731 Simplifying x = 1.83908731

Solution

The solution to the problem is based on the solutions from the subproblems. x = {6.66091269, 1.83908731}

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