(5x+10)(2x-6)=0

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Solution for (5x+10)(2x-6)=0 equation:


Simplifying
(5x + 10)(2x + -6) = 0

Reorder the terms:
(10 + 5x)(2x + -6) = 0

Reorder the terms:
(10 + 5x)(-6 + 2x) = 0

Multiply (10 + 5x) * (-6 + 2x)
(10(-6 + 2x) + 5x * (-6 + 2x)) = 0
((-6 * 10 + 2x * 10) + 5x * (-6 + 2x)) = 0
((-60 + 20x) + 5x * (-6 + 2x)) = 0
(-60 + 20x + (-6 * 5x + 2x * 5x)) = 0
(-60 + 20x + (-30x + 10x2)) = 0

Combine like terms: 20x + -30x = -10x
(-60 + -10x + 10x2) = 0

Solving
-60 + -10x + 10x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '10'.
10(-6 + -1x + x2) = 0

Factor a trinomial.
10((-2 + -1x)(3 + -1x)) = 0

Ignore the factor 10.

Subproblem 1

Set the factor '(-2 + -1x)' equal to zero and attempt to solve: Simplifying -2 + -1x = 0 Solving -2 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + -1x = 0 + 2 Combine like terms: -2 + 2 = 0 0 + -1x = 0 + 2 -1x = 0 + 2 Combine like terms: 0 + 2 = 2 -1x = 2 Divide each side by '-1'. x = -2 Simplifying x = -2

Subproblem 2

Set the factor '(3 + -1x)' equal to zero and attempt to solve: Simplifying 3 + -1x = 0 Solving 3 + -1x = 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 + -1x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -1x = 0 + -3 -1x = 0 + -3 Combine like terms: 0 + -3 = -3 -1x = -3 Divide each side by '-1'. x = 3 Simplifying x = 3

Solution

x = {-2, 3}

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