(3x+5)(8x-9)=0

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Solution for (3x+5)(8x-9)=0 equation: 


Simplifying
(3x + 5)(8x + -9) = 0

Reorder the terms:
(5 + 3x)(8x + -9) = 0

Reorder the terms:
(5 + 3x)(-9 + 8x) = 0

Multiply (5 + 3x) * (-9 + 8x)
(5(-9 + 8x) + 3x * (-9 + 8x)) = 0
((-9 * 5 + 8x * 5) + 3x * (-9 + 8x)) = 0
((-45 + 40x) + 3x * (-9 + 8x)) = 0
(-45 + 40x + (-9 * 3x + 8x * 3x)) = 0
(-45 + 40x + (-27x + 24x2)) = 0

Combine like terms: 40x + -27x = 13x
(-45 + 13x + 24x2) = 0

Solving
-45 + 13x + 24x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-5 + -3x)(9 + -8x) = 0


Subproblem 1
Set the factor '(-5 + -3x)' equal to zero and attempt to solve:

Simplifying
-5 + -3x = 0

Solving
-5 + -3x = 0

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

Add '5' to each side of the equation.
-5 + 5 + -3x = 0 + 5

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

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

Divide each side by '-3'.
x = -1.666666667

Simplifying
x = -1.666666667

Subproblem 2
Set the factor '(9 + -8x)' equal to zero and attempt to solve:

Simplifying
9 + -8x = 0

Solving
9 + -8x = 0

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

Add '-9' to each side of the equation.
9 + -9 + -8x = 0 + -9

Combine like terms: 9 + -9 = 0
0 + -8x = 0 + -9
-8x = 0 + -9

Combine like terms: 0 + -9 = -9
-8x = -9

Divide each side by '-8'.
x = 1.125

Simplifying
x = 1.125
Solution
x = {-1.666666667, 1.125}

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