6(x+3)(x+7)=0

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Solution for 6(x+3)(x+7)=0 equation:


Simplifying
6(x + 3)(x + 7) = 0

Reorder the terms:
6(3 + x)(x + 7) = 0

Reorder the terms:
6(3 + x)(7 + x) = 0

Multiply (3 + x) * (7 + x)
6(3(7 + x) + x(7 + x)) = 0
6((7 * 3 + x * 3) + x(7 + x)) = 0
6((21 + 3x) + x(7 + x)) = 0
6(21 + 3x + (7 * x + x * x)) = 0
6(21 + 3x + (7x + x2)) = 0

Combine like terms: 3x + 7x = 10x
6(21 + 10x + x2) = 0
(21 * 6 + 10x * 6 + x2 * 6) = 0
(126 + 60x + 6x2) = 0

Solving
126 + 60x + 6x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '6'.
6(21 + 10x + x2) = 0

Factor a trinomial.
6((7 + x)(3 + x)) = 0

Ignore the factor 6.

Subproblem 1

Set the factor '(7 + x)' equal to zero and attempt to solve: Simplifying 7 + x = 0 Solving 7 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + x = 0 + -7 Combine like terms: 7 + -7 = 0 0 + x = 0 + -7 x = 0 + -7 Combine like terms: 0 + -7 = -7 x = -7 Simplifying x = -7

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 = {-7, -3}

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