(3x+1)(2x+6)=0

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Solution for (3x+1)(2x+6)=0 equation:


Simplifying
(3x + 1)(2x + 6) = 0

Reorder the terms:
(1 + 3x)(2x + 6) = 0

Reorder the terms:
(1 + 3x)(6 + 2x) = 0

Multiply (1 + 3x) * (6 + 2x)
(1(6 + 2x) + 3x * (6 + 2x)) = 0
((6 * 1 + 2x * 1) + 3x * (6 + 2x)) = 0
((6 + 2x) + 3x * (6 + 2x)) = 0
(6 + 2x + (6 * 3x + 2x * 3x)) = 0
(6 + 2x + (18x + 6x2)) = 0

Combine like terms: 2x + 18x = 20x
(6 + 20x + 6x2) = 0

Solving
6 + 20x + 6x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '2'.
2(3 + 10x + 3x2) = 0

Factor a trinomial.
2((3 + x)(1 + 3x)) = 0

Ignore the factor 2.

Subproblem 1

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

Subproblem 2

Set the factor '(1 + 3x)' equal to zero and attempt to solve: Simplifying 1 + 3x = 0 Solving 1 + 3x = 0 Move all terms containing x to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + 3x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + 3x = 0 + -1 3x = 0 + -1 Combine like terms: 0 + -1 = -1 3x = -1 Divide each side by '3'. x = -0.3333333333 Simplifying x = -0.3333333333

Solution

x = {-3, -0.3333333333}

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