(2x+8)(x+3)=0

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Solution for (2x+8)(x+3)=0 equation:


Simplifying
(2x + 8)(x + 3) = 0

Reorder the terms:
(8 + 2x)(x + 3) = 0

Reorder the terms:
(8 + 2x)(3 + x) = 0

Multiply (8 + 2x) * (3 + x)
(8(3 + x) + 2x * (3 + x)) = 0
((3 * 8 + x * 8) + 2x * (3 + x)) = 0
((24 + 8x) + 2x * (3 + x)) = 0
(24 + 8x + (3 * 2x + x * 2x)) = 0
(24 + 8x + (6x + 2x2)) = 0

Combine like terms: 8x + 6x = 14x
(24 + 14x + 2x2) = 0

Solving
24 + 14x + 2x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '2'.
2(12 + 7x + x2) = 0

Factor a trinomial.
2((4 + x)(3 + x)) = 0

Ignore the factor 2.

Subproblem 1

Set the factor '(4 + x)' equal to zero and attempt to solve: Simplifying 4 + x = 0 Solving 4 + x = 0 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 = 0 + -4 Combine like terms: 4 + -4 = 0 0 + x = 0 + -4 x = 0 + -4 Combine like terms: 0 + -4 = -4 x = -4 Simplifying x = -4

Subproblem 2

Set the factor '(3 + x)' equal to zero and attempt to solve: Simplifying 3 + x = 0 Solving 3 + x = 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 + x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + x = 0 + -3 x = 0 + -3 Combine like terms: 0 + -3 = -3 x = -3 Simplifying x = -3

Solution

x = {-4, -3}

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