(3x-1)(5x+8)=0

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Solution for (3x-1)(5x+8)=0 equation: 


Simplifying
(3x + -1)(5x + 8) = 0

Reorder the terms:
(-1 + 3x)(5x + 8) = 0

Reorder the terms:
(-1 + 3x)(8 + 5x) = 0

Multiply (-1 + 3x) * (8 + 5x)
(-1(8 + 5x) + 3x * (8 + 5x)) = 0
((8 * -1 + 5x * -1) + 3x * (8 + 5x)) = 0
((-8 + -5x) + 3x * (8 + 5x)) = 0
(-8 + -5x + (8 * 3x + 5x * 3x)) = 0
(-8 + -5x + (24x + 15x2)) = 0

Combine like terms: -5x + 24x = 19x
(-8 + 19x + 15x2) = 0

Solving
-8 + 19x + 15x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-8 + -5x)(1 + -3x) = 0


Subproblem 1
Set the factor '(-8 + -5x)' equal to zero and attempt to solve:

Simplifying
-8 + -5x = 0

Solving
-8 + -5x = 0

Move all terms containing x to the left, all other terms to the right.

Add '8' to each side of the equation.
-8 + 8 + -5x = 0 + 8

Combine like terms: -8 + 8 = 0
0 + -5x = 0 + 8
-5x = 0 + 8

Combine like terms: 0 + 8 = 8
-5x = 8

Divide each side by '-5'.
x = -1.6

Simplifying
x = -1.6

Subproblem 2
Set the factor '(1 + -3x)' equal to zero and attempt to solve:

Simplifying
1 + -3x = 0

Solving
1 + -3x = 0

Move all terms containing x to the left, all other terms to the right.

Add '-1' to each side of the equation.
1 + -1 + -3x = 0 + -1

Combine like terms: 1 + -1 = 0
0 + -3x = 0 + -1
-3x = 0 + -1

Combine like terms: 0 + -1 = -1
-3x = -1

Divide each side by '-3'.
x = 0.3333333333

Simplifying
x = 0.3333333333
Solution
x = {-1.6, 0.3333333333}

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