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

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


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

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

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

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

Combine like terms: -45x + 24x = -21x
(-27 + -21x + 40x2) = 0

Solving
-27 + -21x + 40x2 = 0

Solving for variable 'x'.

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


Subproblem 1
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

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 = {-0.6, 1.125}

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