9x^2-376x+3600=0

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Solution for 9x^2-376x+3600=0 equation:


Simplifying
9x2 + -376x + 3600 = 0

Reorder the terms:
3600 + -376x + 9x2 = 0

Solving
3600 + -376x + 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'.
400 + -41.77777778x + x2 = 0

Move the constant term to the right:

Add '-400' to each side of the equation.
400 + -41.77777778x + -400 + x2 = 0 + -400

Reorder the terms:
400 + -400 + -41.77777778x + x2 = 0 + -400

Combine like terms: 400 + -400 = 0
0 + -41.77777778x + x2 = 0 + -400
-41.77777778x + x2 = 0 + -400

Combine like terms: 0 + -400 = -400
-41.77777778x + x2 = -400

The x term is -41.77777778x.  Take half its coefficient (-20.88888889).
Square it (436.3456791) and add it to both sides.

Add '436.3456791' to each side of the equation.
-41.77777778x + 436.3456791 + x2 = -400 + 436.3456791

Reorder the terms:
436.3456791 + -41.77777778x + x2 = -400 + 436.3456791

Combine like terms: -400 + 436.3456791 = 36.3456791
436.3456791 + -41.77777778x + x2 = 36.3456791

Factor a perfect square on the left side:
(x + -20.88888889)(x + -20.88888889) = 36.3456791

Calculate the square root of the right side: 6.02873777

Break this problem into two subproblems by setting 
(x + -20.88888889) equal to 6.02873777 and -6.02873777.

Subproblem 1

x + -20.88888889 = 6.02873777 Simplifying x + -20.88888889 = 6.02873777 Reorder the terms: -20.88888889 + x = 6.02873777 Solving -20.88888889 + x = 6.02873777 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '20.88888889' to each side of the equation. -20.88888889 + 20.88888889 + x = 6.02873777 + 20.88888889 Combine like terms: -20.88888889 + 20.88888889 = 0.00000000 0.00000000 + x = 6.02873777 + 20.88888889 x = 6.02873777 + 20.88888889 Combine like terms: 6.02873777 + 20.88888889 = 26.91762666 x = 26.91762666 Simplifying x = 26.91762666

Subproblem 2

x + -20.88888889 = -6.02873777 Simplifying x + -20.88888889 = -6.02873777 Reorder the terms: -20.88888889 + x = -6.02873777 Solving -20.88888889 + x = -6.02873777 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '20.88888889' to each side of the equation. -20.88888889 + 20.88888889 + x = -6.02873777 + 20.88888889 Combine like terms: -20.88888889 + 20.88888889 = 0.00000000 0.00000000 + x = -6.02873777 + 20.88888889 x = -6.02873777 + 20.88888889 Combine like terms: -6.02873777 + 20.88888889 = 14.86015112 x = 14.86015112 Simplifying x = 14.86015112

Solution

The solution to the problem is based on the solutions from the subproblems. x = {26.91762666, 14.86015112}

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