(3x+3)(x)=592

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Solution for (3x+3)(x)=592 equation:


Simplifying
(3x + 3)(x) = 592

Reorder the terms:
(3 + 3x)(x) = 592

Reorder the terms for easier multiplication:
x(3 + 3x) = 592
(3 * x + 3x * x) = 592
(3x + 3x2) = 592

Solving
3x + 3x2 = 592

Solving for variable 'x'.

Reorder the terms:
-592 + 3x + 3x2 = 592 + -592

Combine like terms: 592 + -592 = 0
-592 + 3x + 3x2 = 0

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

Divide each side by '3'.
-197.3333333 + x + x2 = 0

Move the constant term to the right:

Add '197.3333333' to each side of the equation.
-197.3333333 + x + 197.3333333 + x2 = 0 + 197.3333333

Reorder the terms:
-197.3333333 + 197.3333333 + x + x2 = 0 + 197.3333333

Combine like terms: -197.3333333 + 197.3333333 = 0.0000000
0.0000000 + x + x2 = 0 + 197.3333333
x + x2 = 0 + 197.3333333

Combine like terms: 0 + 197.3333333 = 197.3333333
x + x2 = 197.3333333

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.
 + 0.25 + x2 = 197.3333333 + 0.25

Combine like terms:  + 0.25 = 1.25
1.25 + x2 = 197.3333333 + 0.25

Combine like terms: 197.3333333 + 0.25 = 197.5833333
1.25 + x2 = 197.5833333

Factor a perfect square on the left side:
(x + 0.5)(x + 0.5) = 197.5833333

Calculate the square root of the right side: 14.056433876

Break this problem into two subproblems by setting 
(x + 0.5) equal to 14.056433876 and -14.056433876.

Subproblem 1

x + 0.5 = 14.056433876 Simplifying x + 0.5 = 14.056433876 Reorder the terms: 0.5 + x = 14.056433876 Solving 0.5 + x = 14.056433876 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 = 14.056433876 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + x = 14.056433876 + -0.5 x = 14.056433876 + -0.5 Combine like terms: 14.056433876 + -0.5 = 13.556433876 x = 13.556433876 Simplifying x = 13.556433876

Subproblem 2

x + 0.5 = -14.056433876 Simplifying x + 0.5 = -14.056433876 Reorder the terms: 0.5 + x = -14.056433876 Solving 0.5 + x = -14.056433876 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 = -14.056433876 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + x = -14.056433876 + -0.5 x = -14.056433876 + -0.5 Combine like terms: -14.056433876 + -0.5 = -14.556433876 x = -14.556433876 Simplifying x = -14.556433876

Solution

The solution to the problem is based on the solutions from the subproblems. x = {13.556433876, -14.556433876}

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