2x[(8-3)+6x(2)]-3=

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Solution for 2x[(8-3)+6x(2)]-3= equation:


Simplifying
2x[(8 + -3) + 6x(2)] + -3 = 0

Combine like terms: 8 + -3 = 5
2x[(5) + 6x(2)] + -3 = 0
2x[5 + 6x(2)] + -3 = 0

Reorder the terms for easier multiplication:
2x[5 + 6 * 2x] + -3 = 0

Multiply 6 * 2
2x[5 + 12x] + -3 = 0
[5 * 2x + 12x * 2x] + -3 = 0
[10x + 24x2] + -3 = 0

Reorder the terms:
-3 + 10x + 24x2 = 0

Solving
-3 + 10x + 24x2 = 0

Solving for variable 'x'.

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

Divide each side by '24'.
-0.125 + 0.4166666667x + x2 = 0

Move the constant term to the right:

Add '0.125' to each side of the equation.
-0.125 + 0.4166666667x + 0.125 + x2 = 0 + 0.125

Reorder the terms:
-0.125 + 0.125 + 0.4166666667x + x2 = 0 + 0.125

Combine like terms: -0.125 + 0.125 = 0.000
0.000 + 0.4166666667x + x2 = 0 + 0.125
0.4166666667x + x2 = 0 + 0.125

Combine like terms: 0 + 0.125 = 0.125
0.4166666667x + x2 = 0.125

The x term is 0.4166666667x.  Take half its coefficient (0.2083333334).
Square it (0.04340277781) and add it to both sides.

Add '0.04340277781' to each side of the equation.
0.4166666667x + 0.04340277781 + x2 = 0.125 + 0.04340277781

Reorder the terms:
0.04340277781 + 0.4166666667x + x2 = 0.125 + 0.04340277781

Combine like terms: 0.125 + 0.04340277781 = 0.16840277781
0.04340277781 + 0.4166666667x + x2 = 0.16840277781

Factor a perfect square on the left side:
(x + 0.2083333334)(x + 0.2083333334) = 0.16840277781

Calculate the square root of the right side: 0.410369075

Break this problem into two subproblems by setting 
(x + 0.2083333334) equal to 0.410369075 and -0.410369075.

Subproblem 1

x + 0.2083333334 = 0.410369075 Simplifying x + 0.2083333334 = 0.410369075 Reorder the terms: 0.2083333334 + x = 0.410369075 Solving 0.2083333334 + x = 0.410369075 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.2083333334' to each side of the equation. 0.2083333334 + -0.2083333334 + x = 0.410369075 + -0.2083333334 Combine like terms: 0.2083333334 + -0.2083333334 = 0.0000000000 0.0000000000 + x = 0.410369075 + -0.2083333334 x = 0.410369075 + -0.2083333334 Combine like terms: 0.410369075 + -0.2083333334 = 0.2020357416 x = 0.2020357416 Simplifying x = 0.2020357416

Subproblem 2

x + 0.2083333334 = -0.410369075 Simplifying x + 0.2083333334 = -0.410369075 Reorder the terms: 0.2083333334 + x = -0.410369075 Solving 0.2083333334 + x = -0.410369075 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.2083333334' to each side of the equation. 0.2083333334 + -0.2083333334 + x = -0.410369075 + -0.2083333334 Combine like terms: 0.2083333334 + -0.2083333334 = 0.0000000000 0.0000000000 + x = -0.410369075 + -0.2083333334 x = -0.410369075 + -0.2083333334 Combine like terms: -0.410369075 + -0.2083333334 = -0.6187024084 x = -0.6187024084 Simplifying x = -0.6187024084

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.2020357416, -0.6187024084}

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