9x^2-64x+96=0

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Solution for 9x^2-64x+96=0 equation:


Simplifying
9x2 + -64x + 96 = 0

Reorder the terms:
96 + -64x + 9x2 = 0

Solving
96 + -64x + 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'.
10.66666667 + -7.111111111x + x2 = 0

Move the constant term to the right:

Add '-10.66666667' to each side of the equation.
10.66666667 + -7.111111111x + -10.66666667 + x2 = 0 + -10.66666667

Reorder the terms:
10.66666667 + -10.66666667 + -7.111111111x + x2 = 0 + -10.66666667

Combine like terms: 10.66666667 + -10.66666667 = 0.00000000
0.00000000 + -7.111111111x + x2 = 0 + -10.66666667
-7.111111111x + x2 = 0 + -10.66666667

Combine like terms: 0 + -10.66666667 = -10.66666667
-7.111111111x + x2 = -10.66666667

The x term is -7.111111111x.  Take half its coefficient (-3.555555556).
Square it (12.64197531) and add it to both sides.

Add '12.64197531' to each side of the equation.
-7.111111111x + 12.64197531 + x2 = -10.66666667 + 12.64197531

Reorder the terms:
12.64197531 + -7.111111111x + x2 = -10.66666667 + 12.64197531

Combine like terms: -10.66666667 + 12.64197531 = 1.97530864
12.64197531 + -7.111111111x + x2 = 1.97530864

Factor a perfect square on the left side:
(x + -3.555555556)(x + -3.555555556) = 1.97530864

Calculate the square root of the right side: 1.405456737

Break this problem into two subproblems by setting 
(x + -3.555555556) equal to 1.405456737 and -1.405456737.

Subproblem 1

x + -3.555555556 = 1.405456737 Simplifying x + -3.555555556 = 1.405456737 Reorder the terms: -3.555555556 + x = 1.405456737 Solving -3.555555556 + x = 1.405456737 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '3.555555556' to each side of the equation. -3.555555556 + 3.555555556 + x = 1.405456737 + 3.555555556 Combine like terms: -3.555555556 + 3.555555556 = 0.000000000 0.000000000 + x = 1.405456737 + 3.555555556 x = 1.405456737 + 3.555555556 Combine like terms: 1.405456737 + 3.555555556 = 4.961012293 x = 4.961012293 Simplifying x = 4.961012293

Subproblem 2

x + -3.555555556 = -1.405456737 Simplifying x + -3.555555556 = -1.405456737 Reorder the terms: -3.555555556 + x = -1.405456737 Solving -3.555555556 + x = -1.405456737 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '3.555555556' to each side of the equation. -3.555555556 + 3.555555556 + x = -1.405456737 + 3.555555556 Combine like terms: -3.555555556 + 3.555555556 = 0.000000000 0.000000000 + x = -1.405456737 + 3.555555556 x = -1.405456737 + 3.555555556 Combine like terms: -1.405456737 + 3.555555556 = 2.150098819 x = 2.150098819 Simplifying x = 2.150098819

Solution

The solution to the problem is based on the solutions from the subproblems. x = {4.961012293, 2.150098819}

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