(x+6)(2x-14)=0

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Solution for (x+6)(2x-14)=0 equation:


Simplifying
(x + 6)(2x + -14) = 0

Reorder the terms:
(6 + x)(2x + -14) = 0

Reorder the terms:
(6 + x)(-14 + 2x) = 0

Multiply (6 + x) * (-14 + 2x)
(6(-14 + 2x) + x(-14 + 2x)) = 0
((-14 * 6 + 2x * 6) + x(-14 + 2x)) = 0
((-84 + 12x) + x(-14 + 2x)) = 0
(-84 + 12x + (-14 * x + 2x * x)) = 0
(-84 + 12x + (-14x + 2x2)) = 0

Combine like terms: 12x + -14x = -2x
(-84 + -2x + 2x2) = 0

Solving
-84 + -2x + 2x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '2'.
2(-42 + -1x + x2) = 0

Factor a trinomial.
2((-6 + -1x)(7 + -1x)) = 0

Ignore the factor 2.

Subproblem 1

Set the factor '(-6 + -1x)' equal to zero and attempt to solve: Simplifying -6 + -1x = 0 Solving -6 + -1x = 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 + -1x = 0 + 6 Combine like terms: -6 + 6 = 0 0 + -1x = 0 + 6 -1x = 0 + 6 Combine like terms: 0 + 6 = 6 -1x = 6 Divide each side by '-1'. x = -6 Simplifying x = -6

Subproblem 2

Set the factor '(7 + -1x)' equal to zero and attempt to solve: Simplifying 7 + -1x = 0 Solving 7 + -1x = 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 + -1x = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -1x = 0 + -7 -1x = 0 + -7 Combine like terms: 0 + -7 = -7 -1x = -7 Divide each side by '-1'. x = 7 Simplifying x = 7

Solution

x = {-6, 7}

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