2x^2+x=184

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Solution for 2x^2+x=184 equation:


Simplifying
2x2 + x = 184

Reorder the terms:
x + 2x2 = 184

Solving
x + 2x2 = 184

Solving for variable 'x'.

Reorder the terms:
-184 + x + 2x2 = 184 + -184

Combine like terms: 184 + -184 = 0
-184 + x + 2x2 = 0

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

Divide each side by '2'.
-92 + 0.5x + x2 = 0

Move the constant term to the right:

Add '92' to each side of the equation.
-92 + 0.5x + 92 + x2 = 0 + 92

Reorder the terms:
-92 + 92 + 0.5x + x2 = 0 + 92

Combine like terms: -92 + 92 = 0
0 + 0.5x + x2 = 0 + 92
0.5x + x2 = 0 + 92

Combine like terms: 0 + 92 = 92
0.5x + x2 = 92

The x term is x.  Take half its coefficient (0.5).
Square it (0.25) and add it to both sides.

Add '0.25' to each side of the equation.
0.5x + 0.25 + x2 = 92 + 0.25

Reorder the terms:
0.25 + 0.5x + x2 = 92 + 0.25

Combine like terms: 92 + 0.25 = 92.25
0.25 + 0.5x + x2 = 92.25

Factor a perfect square on the left side:
(x + 0.5)(x + 0.5) = 92.25

Calculate the square root of the right side: 9.604686356

Break this problem into two subproblems by setting 
(x + 0.5) equal to 9.604686356 and -9.604686356.

Subproblem 1

x + 0.5 = 9.604686356 Simplifying x + 0.5 = 9.604686356 Reorder the terms: 0.5 + x = 9.604686356 Solving 0.5 + x = 9.604686356 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.5' to each side of the equation. 0.5 + -0.5 + x = 9.604686356 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + x = 9.604686356 + -0.5 x = 9.604686356 + -0.5 Combine like terms: 9.604686356 + -0.5 = 9.104686356 x = 9.104686356 Simplifying x = 9.104686356

Subproblem 2

x + 0.5 = -9.604686356 Simplifying x + 0.5 = -9.604686356 Reorder the terms: 0.5 + x = -9.604686356 Solving 0.5 + x = -9.604686356 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.5' to each side of the equation. 0.5 + -0.5 + x = -9.604686356 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + x = -9.604686356 + -0.5 x = -9.604686356 + -0.5 Combine like terms: -9.604686356 + -0.5 = -10.104686356 x = -10.104686356 Simplifying x = -10.104686356

Solution

The solution to the problem is based on the solutions from the subproblems. x = {9.104686356, -10.104686356}

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