11x^2-24=8x

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Solution for 11x^2-24=8x equation:


Simplifying
11x2 + -24 = 8x

Reorder the terms:
-24 + 11x2 = 8x

Solving
-24 + 11x2 = 8x

Solving for variable 'x'.

Reorder the terms:
-24 + -8x + 11x2 = 8x + -8x

Combine like terms: 8x + -8x = 0
-24 + -8x + 11x2 = 0

Begin completing the square.  Divide all terms by
11 the coefficient of the squared term: 

Divide each side by '11'.
-2.181818182 + -0.7272727273x + x2 = 0

Move the constant term to the right:

Add '2.181818182' to each side of the equation.
-2.181818182 + -0.7272727273x + 2.181818182 + x2 = 0 + 2.181818182

Reorder the terms:
-2.181818182 + 2.181818182 + -0.7272727273x + x2 = 0 + 2.181818182

Combine like terms: -2.181818182 + 2.181818182 = 0.000000000
0.000000000 + -0.7272727273x + x2 = 0 + 2.181818182
-0.7272727273x + x2 = 0 + 2.181818182

Combine like terms: 0 + 2.181818182 = 2.181818182
-0.7272727273x + x2 = 2.181818182

The x term is -0.7272727273x.  Take half its coefficient (-0.3636363637).
Square it (0.1322314050) and add it to both sides.

Add '0.1322314050' to each side of the equation.
-0.7272727273x + 0.1322314050 + x2 = 2.181818182 + 0.1322314050

Reorder the terms:
0.1322314050 + -0.7272727273x + x2 = 2.181818182 + 0.1322314050

Combine like terms: 2.181818182 + 0.1322314050 = 2.314049587
0.1322314050 + -0.7272727273x + x2 = 2.314049587

Factor a perfect square on the left side:
(x + -0.3636363637)(x + -0.3636363637) = 2.314049587

Calculate the square root of the right side: 1.521200048

Break this problem into two subproblems by setting 
(x + -0.3636363637) equal to 1.521200048 and -1.521200048.

Subproblem 1

x + -0.3636363637 = 1.521200048 Simplifying x + -0.3636363637 = 1.521200048 Reorder the terms: -0.3636363637 + x = 1.521200048 Solving -0.3636363637 + x = 1.521200048 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.3636363637' to each side of the equation. -0.3636363637 + 0.3636363637 + x = 1.521200048 + 0.3636363637 Combine like terms: -0.3636363637 + 0.3636363637 = 0.0000000000 0.0000000000 + x = 1.521200048 + 0.3636363637 x = 1.521200048 + 0.3636363637 Combine like terms: 1.521200048 + 0.3636363637 = 1.8848364117 x = 1.8848364117 Simplifying x = 1.8848364117

Subproblem 2

x + -0.3636363637 = -1.521200048 Simplifying x + -0.3636363637 = -1.521200048 Reorder the terms: -0.3636363637 + x = -1.521200048 Solving -0.3636363637 + x = -1.521200048 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.3636363637' to each side of the equation. -0.3636363637 + 0.3636363637 + x = -1.521200048 + 0.3636363637 Combine like terms: -0.3636363637 + 0.3636363637 = 0.0000000000 0.0000000000 + x = -1.521200048 + 0.3636363637 x = -1.521200048 + 0.3636363637 Combine like terms: -1.521200048 + 0.3636363637 = -1.1575636843 x = -1.1575636843 Simplifying x = -1.1575636843

Solution

The solution to the problem is based on the solutions from the subproblems. x = {1.8848364117, -1.1575636843}

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