(2x+4)(4x+6)(6x+8x)=0

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Solution for (2x+4)(4x+6)(6x+8x)=0 equation:


Simplifying
(2x + 4)(4x + 6)(6x + 8x) = 0

Reorder the terms:
(4 + 2x)(4x + 6)(6x + 8x) = 0

Reorder the terms:
(4 + 2x)(6 + 4x)(6x + 8x) = 0

Combine like terms: 6x + 8x = 14x
(4 + 2x)(6 + 4x)(14x) = 0

Remove parenthesis around (14x)
(4 + 2x)(6 + 4x) * 14x = 0

Reorder the terms for easier multiplication:
14x(4 + 2x)(6 + 4x) = 0

Multiply (4 + 2x) * (6 + 4x)
14x(4(6 + 4x) + 2x * (6 + 4x)) = 0
14x((6 * 4 + 4x * 4) + 2x * (6 + 4x)) = 0
14x((24 + 16x) + 2x * (6 + 4x)) = 0
14x(24 + 16x + (6 * 2x + 4x * 2x)) = 0
14x(24 + 16x + (12x + 8x2)) = 0

Combine like terms: 16x + 12x = 28x
14x(24 + 28x + 8x2) = 0
(24 * 14x + 28x * 14x + 8x2 * 14x) = 0
(336x + 392x2 + 112x3) = 0

Solving
336x + 392x2 + 112x3 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '56x'.
56x(6 + 7x + 2x2) = 0

Factor a trinomial.
56x((2 + x)(3 + 2x)) = 0

Ignore the factor 56.

Subproblem 1

Set the factor 'x' equal to zero and attempt to solve: Simplifying x = 0 Solving x = 0 Move all terms containing x to the left, all other terms to the right. Simplifying x = 0

Subproblem 2

Set the factor '(2 + x)' equal to zero and attempt to solve: Simplifying 2 + x = 0 Solving 2 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + x = 0 + -2 Combine like terms: 2 + -2 = 0 0 + x = 0 + -2 x = 0 + -2 Combine like terms: 0 + -2 = -2 x = -2 Simplifying x = -2

Subproblem 3

Set the factor '(3 + 2x)' equal to zero and attempt to solve: Simplifying 3 + 2x = 0 Solving 3 + 2x = 0 Move all terms containing x to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + 2x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + 2x = 0 + -3 2x = 0 + -3 Combine like terms: 0 + -3 = -3 2x = -3 Divide each side by '2'. x = -1.5 Simplifying x = -1.5

Solution

x = {0, -2, -1.5}

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