9x^2-49x+44=0

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Solution for 9x^2-49x+44=0 equation:


Simplifying
9x2 + -49x + 44 = 0

Reorder the terms:
44 + -49x + 9x2 = 0

Solving
44 + -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'.
4.888888889 + -5.444444444x + x2 = 0

Move the constant term to the right:

Add '-4.888888889' to each side of the equation.
4.888888889 + -5.444444444x + -4.888888889 + x2 = 0 + -4.888888889

Reorder the terms:
4.888888889 + -4.888888889 + -5.444444444x + x2 = 0 + -4.888888889

Combine like terms: 4.888888889 + -4.888888889 = 0.000000000
0.000000000 + -5.444444444x + x2 = 0 + -4.888888889
-5.444444444x + x2 = 0 + -4.888888889

Combine like terms: 0 + -4.888888889 = -4.888888889
-5.444444444x + x2 = -4.888888889

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 = -4.888888889 + 7.410493826

Reorder the terms:
7.410493826 + -5.444444444x + x2 = -4.888888889 + 7.410493826

Combine like terms: -4.888888889 + 7.410493826 = 2.521604937
7.410493826 + -5.444444444x + x2 = 2.521604937

Factor a perfect square on the left side:
(x + -2.722222222)(x + -2.722222222) = 2.521604937

Calculate the square root of the right side: 1.587956214

Break this problem into two subproblems by setting 
(x + -2.722222222) equal to 1.587956214 and -1.587956214.

Subproblem 1

x + -2.722222222 = 1.587956214 Simplifying x + -2.722222222 = 1.587956214 Reorder the terms: -2.722222222 + x = 1.587956214 Solving -2.722222222 + x = 1.587956214 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 = 1.587956214 + 2.722222222 Combine like terms: -2.722222222 + 2.722222222 = 0.000000000 0.000000000 + x = 1.587956214 + 2.722222222 x = 1.587956214 + 2.722222222 Combine like terms: 1.587956214 + 2.722222222 = 4.310178436 x = 4.310178436 Simplifying x = 4.310178436

Subproblem 2

x + -2.722222222 = -1.587956214 Simplifying x + -2.722222222 = -1.587956214 Reorder the terms: -2.722222222 + x = -1.587956214 Solving -2.722222222 + x = -1.587956214 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 = -1.587956214 + 2.722222222 Combine like terms: -2.722222222 + 2.722222222 = 0.000000000 0.000000000 + x = -1.587956214 + 2.722222222 x = -1.587956214 + 2.722222222 Combine like terms: -1.587956214 + 2.722222222 = 1.134266008 x = 1.134266008 Simplifying x = 1.134266008

Solution

The solution to the problem is based on the solutions from the subproblems. x = {4.310178436, 1.134266008}

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