x(x+1)=184

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Solution for x(x+1)=184 equation:


Simplifying
x(x + 1) = 184

Reorder the terms:
x(1 + x) = 184
(1 * x + x * x) = 184
(1x + x2) = 184

Solving
1x + x2 = 184

Solving for variable 'x'.

Reorder the terms:
-184 + 1x + x2 = 184 + -184

Combine like terms: 184 + -184 = 0
-184 + 1x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '184' to each side of the equation.
-184 + 1x + 184 + x2 = 0 + 184

Reorder the terms:
-184 + 184 + 1x + x2 = 0 + 184

Combine like terms: -184 + 184 = 0
0 + 1x + x2 = 0 + 184
1x + x2 = 0 + 184

Combine like terms: 0 + 184 = 184
1x + x2 = 184

The x term is 1x.  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.
x + 0.25 + x2 = 184 + 0.25

Reorder the terms:
0.25 + x + x2 = 184 + 0.25

Combine like terms: 184 + 0.25 = 184.25
0.25 + x + x2 = 184.25

Factor a perfect square on the left side:
(x + 0.5)(x + 0.5) = 184.25

Calculate the square root of the right side: 13.57387196

Break this problem into two subproblems by setting 
(x + 0.5) equal to 13.57387196 and -13.57387196.

Subproblem 1

x + 0.5 = 13.57387196 Simplifying x + 0.5 = 13.57387196 Reorder the terms: 0.5 + x = 13.57387196 Solving 0.5 + x = 13.57387196 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 = 13.57387196 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + x = 13.57387196 + -0.5 x = 13.57387196 + -0.5 Combine like terms: 13.57387196 + -0.5 = 13.07387196 x = 13.07387196 Simplifying x = 13.07387196

Subproblem 2

x + 0.5 = -13.57387196 Simplifying x + 0.5 = -13.57387196 Reorder the terms: 0.5 + x = -13.57387196 Solving 0.5 + x = -13.57387196 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 = -13.57387196 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + x = -13.57387196 + -0.5 x = -13.57387196 + -0.5 Combine like terms: -13.57387196 + -0.5 = -14.07387196 x = -14.07387196 Simplifying x = -14.07387196

Solution

The solution to the problem is based on the solutions from the subproblems. x = {13.07387196, -14.07387196}

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