5x+5+8x(12x+6)=3675

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Solution for 5x+5+8x(12x+6)=3675 equation:


Simplifying
5x + 5 + 8x(12x + 6) = 3675

Reorder the terms:
5x + 5 + 8x(6 + 12x) = 3675
5x + 5 + (6 * 8x + 12x * 8x) = 3675
5x + 5 + (48x + 96x2) = 3675

Reorder the terms:
5 + 5x + 48x + 96x2 = 3675

Combine like terms: 5x + 48x = 53x
5 + 53x + 96x2 = 3675

Solving
5 + 53x + 96x2 = 3675

Solving for variable 'x'.

Reorder the terms:
5 + -3675 + 53x + 96x2 = 3675 + -3675

Combine like terms: 5 + -3675 = -3670
-3670 + 53x + 96x2 = 3675 + -3675

Combine like terms: 3675 + -3675 = 0
-3670 + 53x + 96x2 = 0

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

Divide each side by '96'.
-38.22916667 + 0.5520833333x + x2 = 0

Move the constant term to the right:

Add '38.22916667' to each side of the equation.
-38.22916667 + 0.5520833333x + 38.22916667 + x2 = 0 + 38.22916667

Reorder the terms:
-38.22916667 + 38.22916667 + 0.5520833333x + x2 = 0 + 38.22916667

Combine like terms: -38.22916667 + 38.22916667 = 0.00000000
0.00000000 + 0.5520833333x + x2 = 0 + 38.22916667
0.5520833333x + x2 = 0 + 38.22916667

Combine like terms: 0 + 38.22916667 = 38.22916667
0.5520833333x + x2 = 38.22916667

The x term is 0.5520833333x.  Take half its coefficient (0.2760416667).
Square it (0.07619900175) and add it to both sides.

Add '0.07619900175' to each side of the equation.
0.5520833333x + 0.07619900175 + x2 = 38.22916667 + 0.07619900175

Reorder the terms:
0.07619900175 + 0.5520833333x + x2 = 38.22916667 + 0.07619900175

Combine like terms: 38.22916667 + 0.07619900175 = 38.30536567175
0.07619900175 + 0.5520833333x + x2 = 38.30536567175

Factor a perfect square on the left side:
(x + 0.2760416667)(x + 0.2760416667) = 38.30536567175

Calculate the square root of the right side: 6.189132869

Break this problem into two subproblems by setting 
(x + 0.2760416667) equal to 6.189132869 and -6.189132869.

Subproblem 1

x + 0.2760416667 = 6.189132869 Simplifying x + 0.2760416667 = 6.189132869 Reorder the terms: 0.2760416667 + x = 6.189132869 Solving 0.2760416667 + x = 6.189132869 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.2760416667' to each side of the equation. 0.2760416667 + -0.2760416667 + x = 6.189132869 + -0.2760416667 Combine like terms: 0.2760416667 + -0.2760416667 = 0.0000000000 0.0000000000 + x = 6.189132869 + -0.2760416667 x = 6.189132869 + -0.2760416667 Combine like terms: 6.189132869 + -0.2760416667 = 5.9130912023 x = 5.9130912023 Simplifying x = 5.9130912023

Subproblem 2

x + 0.2760416667 = -6.189132869 Simplifying x + 0.2760416667 = -6.189132869 Reorder the terms: 0.2760416667 + x = -6.189132869 Solving 0.2760416667 + x = -6.189132869 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.2760416667' to each side of the equation. 0.2760416667 + -0.2760416667 + x = -6.189132869 + -0.2760416667 Combine like terms: 0.2760416667 + -0.2760416667 = 0.0000000000 0.0000000000 + x = -6.189132869 + -0.2760416667 x = -6.189132869 + -0.2760416667 Combine like terms: -6.189132869 + -0.2760416667 = -6.4651745357 x = -6.4651745357 Simplifying x = -6.4651745357

Solution

The solution to the problem is based on the solutions from the subproblems. x = {5.9130912023, -6.4651745357}

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