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

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


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

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

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

Multiply (5 + 8x) * (-9 + 3x)
(5(-9 + 3x) + 8x * (-9 + 3x)) = 0
((-9 * 5 + 3x * 5) + 8x * (-9 + 3x)) = 0
((-45 + 15x) + 8x * (-9 + 3x)) = 0
(-45 + 15x + (-9 * 8x + 3x * 8x)) = 0
(-45 + 15x + (-72x + 24x2)) = 0

Combine like terms: 15x + -72x = -57x
(-45 + -57x + 24x2) = 0

Solving
-45 + -57x + 24x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '3'.
3(-15 + -19x + 8x2) = 0

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

Ignore the factor 3.

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

Simplifying
-5 + -8x = 0

Solving
-5 + -8x = 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 + -8x = 0 + 5

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

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

Divide each side by '-8'.
x = -0.625

Simplifying
x = -0.625

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

Simplifying
3 + -1x = 0

Solving
3 + -1x = 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 + -1x = 0 + -3

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

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

Divide each side by '-1'.
x = 3

Simplifying
x = 3
Solution
x = {-0.625, 3}

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