(3x+4)(2x-8)=0

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Solution for (3x+4)(2x-8)=0 equation: 


Simplifying
(3x + 4)(2x + -8) = 0

Reorder the terms:
(4 + 3x)(2x + -8) = 0

Reorder the terms:
(4 + 3x)(-8 + 2x) = 0

Multiply (4 + 3x) * (-8 + 2x)
(4(-8 + 2x) + 3x * (-8 + 2x)) = 0
((-8 * 4 + 2x * 4) + 3x * (-8 + 2x)) = 0
((-32 + 8x) + 3x * (-8 + 2x)) = 0
(-32 + 8x + (-8 * 3x + 2x * 3x)) = 0
(-32 + 8x + (-24x + 6x2)) = 0

Combine like terms: 8x + -24x = -16x
(-32 + -16x + 6x2) = 0

Solving
-32 + -16x + 6x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '2'.
2(-16 + -8x + 3x2) = 0

Factor a trinomial.
2((-4 + -3x)(4 + -1x)) = 0

Ignore the factor 2.

Subproblem 1
Set the factor '(-4 + -3x)' equal to zero and attempt to solve:

Simplifying
-4 + -3x = 0

Solving
-4 + -3x = 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 + -3x = 0 + 4

Combine like terms: -4 + 4 = 0
0 + -3x = 0 + 4
-3x = 0 + 4

Combine like terms: 0 + 4 = 4
-3x = 4

Divide each side by '-3'.
x = -1.333333333

Simplifying
x = -1.333333333

Subproblem 2
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
Solution
x = {-1.333333333, 4}

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