(5x-6)(2x+8)=0

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Solution for (5x-6)(2x+8)=0 equation:


Simplifying
(5x + -6)(2x + 8) = 0

Reorder the terms:
(-6 + 5x)(2x + 8) = 0

Reorder the terms:
(-6 + 5x)(8 + 2x) = 0

Multiply (-6 + 5x) * (8 + 2x)
(-6(8 + 2x) + 5x * (8 + 2x)) = 0
((8 * -6 + 2x * -6) + 5x * (8 + 2x)) = 0
((-48 + -12x) + 5x * (8 + 2x)) = 0
(-48 + -12x + (8 * 5x + 2x * 5x)) = 0
(-48 + -12x + (40x + 10x2)) = 0

Combine like terms: -12x + 40x = 28x
(-48 + 28x + 10x2) = 0

Solving
-48 + 28x + 10x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '2'.
2(-24 + 14x + 5x2) = 0

Factor a trinomial.
2((-4 + -1x)(6 + -5x)) = 0

Ignore the factor 2.

Subproblem 1

Set the factor '(-4 + -1x)' equal to zero and attempt to solve: Simplifying -4 + -1x = 0 Solving -4 + -1x = 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 + -1x = 0 + 4 Combine like terms: -4 + 4 = 0 0 + -1x = 0 + 4 -1x = 0 + 4 Combine like terms: 0 + 4 = 4 -1x = 4 Divide each side by '-1'. x = -4 Simplifying x = -4

Subproblem 2

Set the factor '(6 + -5x)' equal to zero and attempt to solve: Simplifying 6 + -5x = 0 Solving 6 + -5x = 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 + -5x = 0 + -6 Combine like terms: 6 + -6 = 0 0 + -5x = 0 + -6 -5x = 0 + -6 Combine like terms: 0 + -6 = -6 -5x = -6 Divide each side by '-5'. x = 1.2 Simplifying x = 1.2

Solution

x = {-4, 1.2}

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