9x^2+49x+59=0

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Solution for 9x^2+49x+59=0 equation:


Simplifying
9x2 + 49x + 59 = 0

Reorder the terms:
59 + 49x + 9x2 = 0

Solving
59 + 49x + 9x2 = 0

Solving for variable 'x'.

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

Divide each side by '9'.
6.555555556 + 5.444444444x + x2 = 0

Move the constant term to the right:

Add '-6.555555556' to each side of the equation.
6.555555556 + 5.444444444x + -6.555555556 + x2 = 0 + -6.555555556

Reorder the terms:
6.555555556 + -6.555555556 + 5.444444444x + x2 = 0 + -6.555555556

Combine like terms: 6.555555556 + -6.555555556 = 0.000000000
0.000000000 + 5.444444444x + x2 = 0 + -6.555555556
5.444444444x + x2 = 0 + -6.555555556

Combine like terms: 0 + -6.555555556 = -6.555555556
5.444444444x + x2 = -6.555555556

The x term is 5.444444444x.  Take half its coefficient (2.722222222).
Square it (7.410493826) and add it to both sides.

Add '7.410493826' to each side of the equation.
5.444444444x + 7.410493826 + x2 = -6.555555556 + 7.410493826

Reorder the terms:
7.410493826 + 5.444444444x + x2 = -6.555555556 + 7.410493826

Combine like terms: -6.555555556 + 7.410493826 = 0.85493827
7.410493826 + 5.444444444x + x2 = 0.85493827

Factor a perfect square on the left side:
(x + 2.722222222)(x + 2.722222222) = 0.85493827

Calculate the square root of the right side: 0.92462872

Break this problem into two subproblems by setting 
(x + 2.722222222) equal to 0.92462872 and -0.92462872.

Subproblem 1

x + 2.722222222 = 0.92462872 Simplifying x + 2.722222222 = 0.92462872 Reorder the terms: 2.722222222 + x = 0.92462872 Solving 2.722222222 + x = 0.92462872 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-2.722222222' to each side of the equation. 2.722222222 + -2.722222222 + x = 0.92462872 + -2.722222222 Combine like terms: 2.722222222 + -2.722222222 = 0.000000000 0.000000000 + x = 0.92462872 + -2.722222222 x = 0.92462872 + -2.722222222 Combine like terms: 0.92462872 + -2.722222222 = -1.797593502 x = -1.797593502 Simplifying x = -1.797593502

Subproblem 2

x + 2.722222222 = -0.92462872 Simplifying x + 2.722222222 = -0.92462872 Reorder the terms: 2.722222222 + x = -0.92462872 Solving 2.722222222 + x = -0.92462872 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-2.722222222' to each side of the equation. 2.722222222 + -2.722222222 + x = -0.92462872 + -2.722222222 Combine like terms: 2.722222222 + -2.722222222 = 0.000000000 0.000000000 + x = -0.92462872 + -2.722222222 x = -0.92462872 + -2.722222222 Combine like terms: -0.92462872 + -2.722222222 = -3.646850942 x = -3.646850942 Simplifying x = -3.646850942

Solution

The solution to the problem is based on the solutions from the subproblems. x = {-1.797593502, -3.646850942}

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