9x^2+103x+269=0

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Solution for 9x^2+103x+269=0 equation:


Simplifying
9x2 + 103x + 269 = 0

Reorder the terms:
269 + 103x + 9x2 = 0

Solving
269 + 103x + 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'.
29.88888889 + 11.44444444x + x2 = 0

Move the constant term to the right:

Add '-29.88888889' to each side of the equation.
29.88888889 + 11.44444444x + -29.88888889 + x2 = 0 + -29.88888889

Reorder the terms:
29.88888889 + -29.88888889 + 11.44444444x + x2 = 0 + -29.88888889

Combine like terms: 29.88888889 + -29.88888889 = 0.00000000
0.00000000 + 11.44444444x + x2 = 0 + -29.88888889
11.44444444x + x2 = 0 + -29.88888889

Combine like terms: 0 + -29.88888889 = -29.88888889
11.44444444x + x2 = -29.88888889

The x term is 11.44444444x.  Take half its coefficient (5.72222222).
Square it (32.74382714) and add it to both sides.

Add '32.74382714' to each side of the equation.
11.44444444x + 32.74382714 + x2 = -29.88888889 + 32.74382714

Reorder the terms:
32.74382714 + 11.44444444x + x2 = -29.88888889 + 32.74382714

Combine like terms: -29.88888889 + 32.74382714 = 2.85493825
32.74382714 + 11.44444444x + x2 = 2.85493825

Factor a perfect square on the left side:
(x + 5.72222222)(x + 5.72222222) = 2.85493825

Calculate the square root of the right side: 1.689656252

Break this problem into two subproblems by setting 
(x + 5.72222222) equal to 1.689656252 and -1.689656252.

Subproblem 1

x + 5.72222222 = 1.689656252 Simplifying x + 5.72222222 = 1.689656252 Reorder the terms: 5.72222222 + x = 1.689656252 Solving 5.72222222 + x = 1.689656252 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-5.72222222' to each side of the equation. 5.72222222 + -5.72222222 + x = 1.689656252 + -5.72222222 Combine like terms: 5.72222222 + -5.72222222 = 0.00000000 0.00000000 + x = 1.689656252 + -5.72222222 x = 1.689656252 + -5.72222222 Combine like terms: 1.689656252 + -5.72222222 = -4.032565968 x = -4.032565968 Simplifying x = -4.032565968

Subproblem 2

x + 5.72222222 = -1.689656252 Simplifying x + 5.72222222 = -1.689656252 Reorder the terms: 5.72222222 + x = -1.689656252 Solving 5.72222222 + x = -1.689656252 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-5.72222222' to each side of the equation. 5.72222222 + -5.72222222 + x = -1.689656252 + -5.72222222 Combine like terms: 5.72222222 + -5.72222222 = 0.00000000 0.00000000 + x = -1.689656252 + -5.72222222 x = -1.689656252 + -5.72222222 Combine like terms: -1.689656252 + -5.72222222 = -7.411878472 x = -7.411878472 Simplifying x = -7.411878472

Solution

The solution to the problem is based on the solutions from the subproblems. x = {-4.032565968, -7.411878472}

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