(5x-3)(2x+8)=0

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Solution for (5x-3)(2x+8)=0 equation: 


Simplifying
(5x + -3)(2x + 8) = 0

Reorder the terms:
(-3 + 5x)(2x + 8) = 0

Reorder the terms:
(-3 + 5x)(8 + 2x) = 0

Multiply (-3 + 5x) * (8 + 2x)
(-3(8 + 2x) + 5x * (8 + 2x)) = 0
((8 * -3 + 2x * -3) + 5x * (8 + 2x)) = 0
((-24 + -6x) + 5x * (8 + 2x)) = 0
(-24 + -6x + (8 * 5x + 2x * 5x)) = 0
(-24 + -6x + (40x + 10x2)) = 0

Combine like terms: -6x + 40x = 34x
(-24 + 34x + 10x2) = 0

Solving
-24 + 34x + 10x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '2'.
2(-12 + 17x + 5x2) = 0

Factor a trinomial.
2((-4 + -1x)(3 + -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 '(3 + -5x)' equal to zero and attempt to solve:

Simplifying
3 + -5x = 0

Solving
3 + -5x = 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 + -5x = 0 + -3

Combine like terms: 3 + -3 = 0
0 + -5x = 0 + -3
-5x = 0 + -3

Combine like terms: 0 + -3 = -3
-5x = -3

Divide each side by '-5'.
x = 0.6

Simplifying
x = 0.6
Solution
x = {-4, 0.6}

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