5(x+3)(x+4)=0

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Solution for 5(x+3)(x+4)=0 equation:


Simplifying
5(x + 3)(x + 4) = 0

Reorder the terms:
5(3 + x)(x + 4) = 0

Reorder the terms:
5(3 + x)(4 + x) = 0

Multiply (3 + x) * (4 + x)
5(3(4 + x) + x(4 + x)) = 0
5((4 * 3 + x * 3) + x(4 + x)) = 0
5((12 + 3x) + x(4 + x)) = 0
5(12 + 3x + (4 * x + x * x)) = 0
5(12 + 3x + (4x + x2)) = 0

Combine like terms: 3x + 4x = 7x
5(12 + 7x + x2) = 0
(12 * 5 + 7x * 5 + x2 * 5) = 0
(60 + 35x + 5x2) = 0

Solving
60 + 35x + 5x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '5'.
5(12 + 7x + x2) = 0

Factor a trinomial.
5((4 + x)(3 + x)) = 0

Ignore the factor 5.

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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