11x^2-5x-46=0

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Solution for 11x^2-5x-46=0 equation:


Simplifying
11x2 + -5x + -46 = 0

Reorder the terms:
-46 + -5x + 11x2 = 0

Solving
-46 + -5x + 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'.
-4.181818182 + -0.4545454545x + x2 = 0

Move the constant term to the right:

Add '4.181818182' to each side of the equation.
-4.181818182 + -0.4545454545x + 4.181818182 + x2 = 0 + 4.181818182

Reorder the terms:
-4.181818182 + 4.181818182 + -0.4545454545x + x2 = 0 + 4.181818182

Combine like terms: -4.181818182 + 4.181818182 = 0.000000000
0.000000000 + -0.4545454545x + x2 = 0 + 4.181818182
-0.4545454545x + x2 = 0 + 4.181818182

Combine like terms: 0 + 4.181818182 = 4.181818182
-0.4545454545x + x2 = 4.181818182

The x term is -0.4545454545x.  Take half its coefficient (-0.2272727273).
Square it (0.05165289257) and add it to both sides.

Add '0.05165289257' to each side of the equation.
-0.4545454545x + 0.05165289257 + x2 = 4.181818182 + 0.05165289257

Reorder the terms:
0.05165289257 + -0.4545454545x + x2 = 4.181818182 + 0.05165289257

Combine like terms: 4.181818182 + 0.05165289257 = 4.23347107457
0.05165289257 + -0.4545454545x + x2 = 4.23347107457

Factor a perfect square on the left side:
(x + -0.2272727273)(x + -0.2272727273) = 4.23347107457

Calculate the square root of the right side: 2.057540054

Break this problem into two subproblems by setting 
(x + -0.2272727273) equal to 2.057540054 and -2.057540054.

Subproblem 1

x + -0.2272727273 = 2.057540054 Simplifying x + -0.2272727273 = 2.057540054 Reorder the terms: -0.2272727273 + x = 2.057540054 Solving -0.2272727273 + x = 2.057540054 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.2272727273' to each side of the equation. -0.2272727273 + 0.2272727273 + x = 2.057540054 + 0.2272727273 Combine like terms: -0.2272727273 + 0.2272727273 = 0.0000000000 0.0000000000 + x = 2.057540054 + 0.2272727273 x = 2.057540054 + 0.2272727273 Combine like terms: 2.057540054 + 0.2272727273 = 2.2848127813 x = 2.2848127813 Simplifying x = 2.2848127813

Subproblem 2

x + -0.2272727273 = -2.057540054 Simplifying x + -0.2272727273 = -2.057540054 Reorder the terms: -0.2272727273 + x = -2.057540054 Solving -0.2272727273 + x = -2.057540054 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.2272727273' to each side of the equation. -0.2272727273 + 0.2272727273 + x = -2.057540054 + 0.2272727273 Combine like terms: -0.2272727273 + 0.2272727273 = 0.0000000000 0.0000000000 + x = -2.057540054 + 0.2272727273 x = -2.057540054 + 0.2272727273 Combine like terms: -2.057540054 + 0.2272727273 = -1.8302673267 x = -1.8302673267 Simplifying x = -1.8302673267

Solution

The solution to the problem is based on the solutions from the subproblems. x = {2.2848127813, -1.8302673267}

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