(3x+24)(3x)=2

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Solution for (3x+24)(3x)=2 equation:


Simplifying
(3x + 24)(3x) = 2

Reorder the terms:
(24 + 3x)(3x) = 2

Remove parenthesis around (3x)
(24 + 3x) * 3x = 2

Reorder the terms for easier multiplication:
3x(24 + 3x) = 2
(24 * 3x + 3x * 3x) = 2
(72x + 9x2) = 2

Solving
72x + 9x2 = 2

Solving for variable 'x'.

Reorder the terms:
-2 + 72x + 9x2 = 2 + -2

Combine like terms: 2 + -2 = 0
-2 + 72x + 9x2 = 0

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

Divide each side by '9'.
-0.2222222222 + 8x + x2 = 0

Move the constant term to the right:

Add '0.2222222222' to each side of the equation.
-0.2222222222 + 8x + 0.2222222222 + x2 = 0 + 0.2222222222

Reorder the terms:
-0.2222222222 + 0.2222222222 + 8x + x2 = 0 + 0.2222222222

Combine like terms: -0.2222222222 + 0.2222222222 = 0.0000000000
0.0000000000 + 8x + x2 = 0 + 0.2222222222
8x + x2 = 0 + 0.2222222222

Combine like terms: 0 + 0.2222222222 = 0.2222222222
8x + x2 = 0.2222222222

The x term is 8x.  Take half its coefficient (4).
Square it (16) and add it to both sides.

Add '16' to each side of the equation.
8x + 16 + x2 = 0.2222222222 + 16

Reorder the terms:
16 + 8x + x2 = 0.2222222222 + 16

Combine like terms: 0.2222222222 + 16 = 16.2222222222
16 + 8x + x2 = 16.2222222222

Factor a perfect square on the left side:
(x + 4)(x + 4) = 16.2222222222

Calculate the square root of the right side: 4.027681991

Break this problem into two subproblems by setting 
(x + 4) equal to 4.027681991 and -4.027681991.

Subproblem 1

x + 4 = 4.027681991 Simplifying x + 4 = 4.027681991 Reorder the terms: 4 + x = 4.027681991 Solving 4 + x = 4.027681991 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + x = 4.027681991 + -4 Combine like terms: 4 + -4 = 0 0 + x = 4.027681991 + -4 x = 4.027681991 + -4 Combine like terms: 4.027681991 + -4 = 0.027681991 x = 0.027681991 Simplifying x = 0.027681991

Subproblem 2

x + 4 = -4.027681991 Simplifying x + 4 = -4.027681991 Reorder the terms: 4 + x = -4.027681991 Solving 4 + x = -4.027681991 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + x = -4.027681991 + -4 Combine like terms: 4 + -4 = 0 0 + x = -4.027681991 + -4 x = -4.027681991 + -4 Combine like terms: -4.027681991 + -4 = -8.027681991 x = -8.027681991 Simplifying x = -8.027681991

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.027681991, -8.027681991}

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