5x^2-39x+29=0

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Solution for 5x^2-39x+29=0 equation:


Simplifying
5x2 + -39x + 29 = 0

Reorder the terms:
29 + -39x + 5x2 = 0

Solving
29 + -39x + 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'.
5.8 + -7.8x + x2 = 0

Move the constant term to the right:

Add '-5.8' to each side of the equation.
5.8 + -7.8x + -5.8 + x2 = 0 + -5.8

Reorder the terms:
5.8 + -5.8 + -7.8x + x2 = 0 + -5.8

Combine like terms: 5.8 + -5.8 = 0.0
0.0 + -7.8x + x2 = 0 + -5.8
-7.8x + x2 = 0 + -5.8

Combine like terms: 0 + -5.8 = -5.8
-7.8x + x2 = -5.8

The x term is -7.8x.  Take half its coefficient (-3.9).
Square it (15.21) and add it to both sides.

Add '15.21' to each side of the equation.
-7.8x + 15.21 + x2 = -5.8 + 15.21

Reorder the terms:
15.21 + -7.8x + x2 = -5.8 + 15.21

Combine like terms: -5.8 + 15.21 = 9.41
15.21 + -7.8x + x2 = 9.41

Factor a perfect square on the left side:
(x + -3.9)(x + -3.9) = 9.41

Calculate the square root of the right side: 3.06757233

Break this problem into two subproblems by setting 
(x + -3.9) equal to 3.06757233 and -3.06757233.

Subproblem 1

x + -3.9 = 3.06757233 Simplifying x + -3.9 = 3.06757233 Reorder the terms: -3.9 + x = 3.06757233 Solving -3.9 + x = 3.06757233 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '3.9' to each side of the equation. -3.9 + 3.9 + x = 3.06757233 + 3.9 Combine like terms: -3.9 + 3.9 = 0.0 0.0 + x = 3.06757233 + 3.9 x = 3.06757233 + 3.9 Combine like terms: 3.06757233 + 3.9 = 6.96757233 x = 6.96757233 Simplifying x = 6.96757233

Subproblem 2

x + -3.9 = -3.06757233 Simplifying x + -3.9 = -3.06757233 Reorder the terms: -3.9 + x = -3.06757233 Solving -3.9 + x = -3.06757233 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '3.9' to each side of the equation. -3.9 + 3.9 + x = -3.06757233 + 3.9 Combine like terms: -3.9 + 3.9 = 0.0 0.0 + x = -3.06757233 + 3.9 x = -3.06757233 + 3.9 Combine like terms: -3.06757233 + 3.9 = 0.83242767 x = 0.83242767 Simplifying x = 0.83242767

Solution

The solution to the problem is based on the solutions from the subproblems. x = {6.96757233, 0.83242767}

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