(7x+35)(2x+12)=0

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Solution for (7x+35)(2x+12)=0 equation:


Simplifying
(7x + 35)(2x + 12) = 0

Reorder the terms:
(35 + 7x)(2x + 12) = 0

Reorder the terms:
(35 + 7x)(12 + 2x) = 0

Multiply (35 + 7x) * (12 + 2x)
(35(12 + 2x) + 7x * (12 + 2x)) = 0
((12 * 35 + 2x * 35) + 7x * (12 + 2x)) = 0
((420 + 70x) + 7x * (12 + 2x)) = 0
(420 + 70x + (12 * 7x + 2x * 7x)) = 0
(420 + 70x + (84x + 14x2)) = 0

Combine like terms: 70x + 84x = 154x
(420 + 154x + 14x2) = 0

Solving
420 + 154x + 14x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '14'.
14(30 + 11x + x2) = 0

Factor a trinomial.
14((6 + x)(5 + x)) = 0

Ignore the factor 14.

Subproblem 1

Set the factor '(6 + x)' equal to zero and attempt to solve: Simplifying 6 + x = 0 Solving 6 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-6' to each side of the equation. 6 + -6 + x = 0 + -6 Combine like terms: 6 + -6 = 0 0 + x = 0 + -6 x = 0 + -6 Combine like terms: 0 + -6 = -6 x = -6 Simplifying x = -6

Subproblem 2

Set the factor '(5 + x)' equal to zero and attempt to solve: Simplifying 5 + x = 0 Solving 5 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + x = 0 + -5 x = 0 + -5 Combine like terms: 0 + -5 = -5 x = -5 Simplifying x = -5

Solution

x = {-6, -5}

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