9x^2-37x+25=0

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Solution for 9x^2-37x+25=0 equation:


Simplifying
9x2 + -37x + 25 = 0

Reorder the terms:
25 + -37x + 9x2 = 0

Solving
25 + -37x + 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'.
2.777777778 + -4.111111111x + x2 = 0

Move the constant term to the right:

Add '-2.777777778' to each side of the equation.
2.777777778 + -4.111111111x + -2.777777778 + x2 = 0 + -2.777777778

Reorder the terms:
2.777777778 + -2.777777778 + -4.111111111x + x2 = 0 + -2.777777778

Combine like terms: 2.777777778 + -2.777777778 = 0.000000000
0.000000000 + -4.111111111x + x2 = 0 + -2.777777778
-4.111111111x + x2 = 0 + -2.777777778

Combine like terms: 0 + -2.777777778 = -2.777777778
-4.111111111x + x2 = -2.777777778

The x term is -4.111111111x.  Take half its coefficient (-2.055555556).
Square it (4.225308644) and add it to both sides.

Add '4.225308644' to each side of the equation.
-4.111111111x + 4.225308644 + x2 = -2.777777778 + 4.225308644

Reorder the terms:
4.225308644 + -4.111111111x + x2 = -2.777777778 + 4.225308644

Combine like terms: -2.777777778 + 4.225308644 = 1.447530866
4.225308644 + -4.111111111x + x2 = 1.447530866

Factor a perfect square on the left side:
(x + -2.055555556)(x + -2.055555556) = 1.447530866

Calculate the square root of the right side: 1.203133769

Break this problem into two subproblems by setting 
(x + -2.055555556) equal to 1.203133769 and -1.203133769.

Subproblem 1

x + -2.055555556 = 1.203133769 Simplifying x + -2.055555556 = 1.203133769 Reorder the terms: -2.055555556 + x = 1.203133769 Solving -2.055555556 + x = 1.203133769 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2.055555556' to each side of the equation. -2.055555556 + 2.055555556 + x = 1.203133769 + 2.055555556 Combine like terms: -2.055555556 + 2.055555556 = 0.000000000 0.000000000 + x = 1.203133769 + 2.055555556 x = 1.203133769 + 2.055555556 Combine like terms: 1.203133769 + 2.055555556 = 3.258689325 x = 3.258689325 Simplifying x = 3.258689325

Subproblem 2

x + -2.055555556 = -1.203133769 Simplifying x + -2.055555556 = -1.203133769 Reorder the terms: -2.055555556 + x = -1.203133769 Solving -2.055555556 + x = -1.203133769 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2.055555556' to each side of the equation. -2.055555556 + 2.055555556 + x = -1.203133769 + 2.055555556 Combine like terms: -2.055555556 + 2.055555556 = 0.000000000 0.000000000 + x = -1.203133769 + 2.055555556 x = -1.203133769 + 2.055555556 Combine like terms: -1.203133769 + 2.055555556 = 0.852421787 x = 0.852421787 Simplifying x = 0.852421787

Solution

The solution to the problem is based on the solutions from the subproblems. x = {3.258689325, 0.852421787}

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