3(2+6x)-8x(x-5)=4(3x+2)

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Solution for 3(2+6x)-8x(x-5)=4(3x+2) equation:


Simplifying
3(2 + 6x) + -8x(x + -5) = 4(3x + 2)
(2 * 3 + 6x * 3) + -8x(x + -5) = 4(3x + 2)
(6 + 18x) + -8x(x + -5) = 4(3x + 2)

Reorder the terms:
6 + 18x + -8x(-5 + x) = 4(3x + 2)
6 + 18x + (-5 * -8x + x * -8x) = 4(3x + 2)
6 + 18x + (40x + -8x2) = 4(3x + 2)

Combine like terms: 18x + 40x = 58x
6 + 58x + -8x2 = 4(3x + 2)

Reorder the terms:
6 + 58x + -8x2 = 4(2 + 3x)
6 + 58x + -8x2 = (2 * 4 + 3x * 4)
6 + 58x + -8x2 = (8 + 12x)

Solving
6 + 58x + -8x2 = 8 + 12x

Solving for variable 'x'.

Reorder the terms:
6 + -8 + 58x + -12x + -8x2 = 8 + 12x + -8 + -12x

Combine like terms: 6 + -8 = -2
-2 + 58x + -12x + -8x2 = 8 + 12x + -8 + -12x

Combine like terms: 58x + -12x = 46x
-2 + 46x + -8x2 = 8 + 12x + -8 + -12x

Reorder the terms:
-2 + 46x + -8x2 = 8 + -8 + 12x + -12x

Combine like terms: 8 + -8 = 0
-2 + 46x + -8x2 = 0 + 12x + -12x
-2 + 46x + -8x2 = 12x + -12x

Combine like terms: 12x + -12x = 0
-2 + 46x + -8x2 = 0

Factor out the Greatest Common Factor (GCF), '2'.
2(-1 + 23x + -4x2) = 0

Ignore the factor 2.

Subproblem 1

Set the factor '(-1 + 23x + -4x2)' equal to zero and attempt to solve: Simplifying -1 + 23x + -4x2 = 0 Solving -1 + 23x + -4x2 = 0 Begin completing the square. Divide all terms by -4 the coefficient of the squared term: Divide each side by '-4'. 0.25 + -5.75x + x2 = 0 Move the constant term to the right: Add '-0.25' to each side of the equation. 0.25 + -5.75x + -0.25 + x2 = 0 + -0.25 Reorder the terms: 0.25 + -0.25 + -5.75x + x2 = 0 + -0.25 Combine like terms: 0.25 + -0.25 = 0.00 0.00 + -5.75x + x2 = 0 + -0.25 -5.75x + x2 = 0 + -0.25 Combine like terms: 0 + -0.25 = -0.25 -5.75x + x2 = -0.25 The x term is -5.75x. Take half its coefficient (-2.875). Square it (8.265625) and add it to both sides. Add '8.265625' to each side of the equation. -5.75x + 8.265625 + x2 = -0.25 + 8.265625 Reorder the terms: 8.265625 + -5.75x + x2 = -0.25 + 8.265625 Combine like terms: -0.25 + 8.265625 = 8.015625 8.265625 + -5.75x + x2 = 8.015625 Factor a perfect square on the left side: (x + -2.875)(x + -2.875) = 8.015625 Calculate the square root of the right side: 2.831187913 Break this problem into two subproblems by setting (x + -2.875) equal to 2.831187913 and -2.831187913.

Subproblem 1

x + -2.875 = 2.831187913 Simplifying x + -2.875 = 2.831187913 Reorder the terms: -2.875 + x = 2.831187913 Solving -2.875 + x = 2.831187913 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2.875' to each side of the equation. -2.875 + 2.875 + x = 2.831187913 + 2.875 Combine like terms: -2.875 + 2.875 = 0.000 0.000 + x = 2.831187913 + 2.875 x = 2.831187913 + 2.875 Combine like terms: 2.831187913 + 2.875 = 5.706187913 x = 5.706187913 Simplifying x = 5.706187913

Subproblem 2

x + -2.875 = -2.831187913 Simplifying x + -2.875 = -2.831187913 Reorder the terms: -2.875 + x = -2.831187913 Solving -2.875 + x = -2.831187913 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2.875' to each side of the equation. -2.875 + 2.875 + x = -2.831187913 + 2.875 Combine like terms: -2.875 + 2.875 = 0.000 0.000 + x = -2.831187913 + 2.875 x = -2.831187913 + 2.875 Combine like terms: -2.831187913 + 2.875 = 0.043812087 x = 0.043812087 Simplifying x = 0.043812087

Solution

The solution to the problem is based on the solutions from the subproblems. x = {5.706187913, 0.043812087}

Solution

x = {5.706187913, 0.043812087}

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