11x^2-75x+36=0

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Solution for 11x^2-75x+36=0 equation:


Simplifying
11x2 + -75x + 36 = 0

Reorder the terms:
36 + -75x + 11x2 = 0

Solving
36 + -75x + 11x2 = 0

Solving for variable 'x'.

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

Divide each side by '11'.
3.272727273 + -6.818181818x + x2 = 0

Move the constant term to the right:

Add '-3.272727273' to each side of the equation.
3.272727273 + -6.818181818x + -3.272727273 + x2 = 0 + -3.272727273

Reorder the terms:
3.272727273 + -3.272727273 + -6.818181818x + x2 = 0 + -3.272727273

Combine like terms: 3.272727273 + -3.272727273 = 0.000000000
0.000000000 + -6.818181818x + x2 = 0 + -3.272727273
-6.818181818x + x2 = 0 + -3.272727273

Combine like terms: 0 + -3.272727273 = -3.272727273
-6.818181818x + x2 = -3.272727273

The x term is -6.818181818x.  Take half its coefficient (-3.409090909).
Square it (11.62190083) and add it to both sides.

Add '11.62190083' to each side of the equation.
-6.818181818x + 11.62190083 + x2 = -3.272727273 + 11.62190083

Reorder the terms:
11.62190083 + -6.818181818x + x2 = -3.272727273 + 11.62190083

Combine like terms: -3.272727273 + 11.62190083 = 8.349173557
11.62190083 + -6.818181818x + x2 = 8.349173557

Factor a perfect square on the left side:
(x + -3.409090909)(x + -3.409090909) = 8.349173557

Calculate the square root of the right side: 2.889493651

Break this problem into two subproblems by setting 
(x + -3.409090909) equal to 2.889493651 and -2.889493651.

Subproblem 1

x + -3.409090909 = 2.889493651 Simplifying x + -3.409090909 = 2.889493651 Reorder the terms: -3.409090909 + x = 2.889493651 Solving -3.409090909 + x = 2.889493651 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '3.409090909' to each side of the equation. -3.409090909 + 3.409090909 + x = 2.889493651 + 3.409090909 Combine like terms: -3.409090909 + 3.409090909 = 0.000000000 0.000000000 + x = 2.889493651 + 3.409090909 x = 2.889493651 + 3.409090909 Combine like terms: 2.889493651 + 3.409090909 = 6.29858456 x = 6.29858456 Simplifying x = 6.29858456

Subproblem 2

x + -3.409090909 = -2.889493651 Simplifying x + -3.409090909 = -2.889493651 Reorder the terms: -3.409090909 + x = -2.889493651 Solving -3.409090909 + x = -2.889493651 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '3.409090909' to each side of the equation. -3.409090909 + 3.409090909 + x = -2.889493651 + 3.409090909 Combine like terms: -3.409090909 + 3.409090909 = 0.000000000 0.000000000 + x = -2.889493651 + 3.409090909 x = -2.889493651 + 3.409090909 Combine like terms: -2.889493651 + 3.409090909 = 0.519597258 x = 0.519597258 Simplifying x = 0.519597258

Solution

The solution to the problem is based on the solutions from the subproblems. x = {6.29858456, 0.519597258}

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