-3x(2x-4)=4(-x-2)

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Solution for -3x(2x-4)=4(-x-2) equation:


Simplifying
-3x(2x + -4) = 4(-1x + -2)

Reorder the terms:
-3x(-4 + 2x) = 4(-1x + -2)
(-4 * -3x + 2x * -3x) = 4(-1x + -2)
(12x + -6x2) = 4(-1x + -2)

Reorder the terms:
12x + -6x2 = 4(-2 + -1x)
12x + -6x2 = (-2 * 4 + -1x * 4)
12x + -6x2 = (-8 + -4x)

Solving
12x + -6x2 = -8 + -4x

Solving for variable 'x'.

Reorder the terms:
8 + 12x + 4x + -6x2 = -8 + -4x + 8 + 4x

Combine like terms: 12x + 4x = 16x
8 + 16x + -6x2 = -8 + -4x + 8 + 4x

Reorder the terms:
8 + 16x + -6x2 = -8 + 8 + -4x + 4x

Combine like terms: -8 + 8 = 0
8 + 16x + -6x2 = 0 + -4x + 4x
8 + 16x + -6x2 = -4x + 4x

Combine like terms: -4x + 4x = 0
8 + 16x + -6x2 = 0

Factor out the Greatest Common Factor (GCF), '2'.
2(4 + 8x + -3x2) = 0

Ignore the factor 2.

Subproblem 1

Set the factor '(4 + 8x + -3x2)' equal to zero and attempt to solve: Simplifying 4 + 8x + -3x2 = 0 Solving 4 + 8x + -3x2 = 0 Begin completing the square. Divide all terms by -3 the coefficient of the squared term: Divide each side by '-3'. -1.333333333 + -2.666666667x + x2 = 0 Move the constant term to the right: Add '1.333333333' to each side of the equation. -1.333333333 + -2.666666667x + 1.333333333 + x2 = 0 + 1.333333333 Reorder the terms: -1.333333333 + 1.333333333 + -2.666666667x + x2 = 0 + 1.333333333 Combine like terms: -1.333333333 + 1.333333333 = 0.000000000 0.000000000 + -2.666666667x + x2 = 0 + 1.333333333 -2.666666667x + x2 = 0 + 1.333333333 Combine like terms: 0 + 1.333333333 = 1.333333333 -2.666666667x + x2 = 1.333333333 The x term is -2.666666667x. Take half its coefficient (-1.333333334). Square it (1.777777780) and add it to both sides. Add '1.777777780' to each side of the equation. -2.666666667x + 1.777777780 + x2 = 1.333333333 + 1.777777780 Reorder the terms: 1.777777780 + -2.666666667x + x2 = 1.333333333 + 1.777777780 Combine like terms: 1.333333333 + 1.777777780 = 3.111111113 1.777777780 + -2.666666667x + x2 = 3.111111113 Factor a perfect square on the left side: (x + -1.333333334)(x + -1.333333334) = 3.111111113 Calculate the square root of the right side: 1.763834208 Break this problem into two subproblems by setting (x + -1.333333334) equal to 1.763834208 and -1.763834208.

Subproblem 1

x + -1.333333334 = 1.763834208 Simplifying x + -1.333333334 = 1.763834208 Reorder the terms: -1.333333334 + x = 1.763834208 Solving -1.333333334 + x = 1.763834208 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.333333334' to each side of the equation. -1.333333334 + 1.333333334 + x = 1.763834208 + 1.333333334 Combine like terms: -1.333333334 + 1.333333334 = 0.000000000 0.000000000 + x = 1.763834208 + 1.333333334 x = 1.763834208 + 1.333333334 Combine like terms: 1.763834208 + 1.333333334 = 3.097167542 x = 3.097167542 Simplifying x = 3.097167542

Subproblem 2

x + -1.333333334 = -1.763834208 Simplifying x + -1.333333334 = -1.763834208 Reorder the terms: -1.333333334 + x = -1.763834208 Solving -1.333333334 + x = -1.763834208 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.333333334' to each side of the equation. -1.333333334 + 1.333333334 + x = -1.763834208 + 1.333333334 Combine like terms: -1.333333334 + 1.333333334 = 0.000000000 0.000000000 + x = -1.763834208 + 1.333333334 x = -1.763834208 + 1.333333334 Combine like terms: -1.763834208 + 1.333333334 = -0.430500874 x = -0.430500874 Simplifying x = -0.430500874

Solution

The solution to the problem is based on the solutions from the subproblems. x = {3.097167542, -0.430500874}

Solution

x = {3.097167542, -0.430500874}

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