6(4x-5)(4x+3)=0

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Solution for 6(4x-5)(4x+3)=0 equation: 


Simplifying
6(4x + -5)(4x + 3) = 0

Reorder the terms:
6(-5 + 4x)(4x + 3) = 0

Reorder the terms:
6(-5 + 4x)(3 + 4x) = 0

Multiply (-5 + 4x) * (3 + 4x)
6(-5(3 + 4x) + 4x * (3 + 4x)) = 0
6((3 * -5 + 4x * -5) + 4x * (3 + 4x)) = 0
6((-15 + -20x) + 4x * (3 + 4x)) = 0
6(-15 + -20x + (3 * 4x + 4x * 4x)) = 0
6(-15 + -20x + (12x + 16x2)) = 0

Combine like terms: -20x + 12x = -8x
6(-15 + -8x + 16x2) = 0
(-15 * 6 + -8x * 6 + 16x2 * 6) = 0
(-90 + -48x + 96x2) = 0

Solving
-90 + -48x + 96x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '6'.
6(-15 + -8x + 16x2) = 0

Factor a trinomial.
6((-3 + -4x)(5 + -4x)) = 0

Ignore the factor 6.

Subproblem 1
Set the factor '(-3 + -4x)' equal to zero and attempt to solve:

Simplifying
-3 + -4x = 0

Solving
-3 + -4x = 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 + -4x = 0 + 3

Combine like terms: -3 + 3 = 0
0 + -4x = 0 + 3
-4x = 0 + 3

Combine like terms: 0 + 3 = 3
-4x = 3

Divide each side by '-4'.
x = -0.75

Simplifying
x = -0.75

Subproblem 2
Set the factor '(5 + -4x)' equal to zero and attempt to solve:

Simplifying
5 + -4x = 0

Solving
5 + -4x = 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 + -4x = 0 + -5

Combine like terms: 5 + -5 = 0
0 + -4x = 0 + -5
-4x = 0 + -5

Combine like terms: 0 + -5 = -5
-4x = -5

Divide each side by '-4'.
x = 1.25

Simplifying
x = 1.25
Solution
x = {-0.75, 1.25}

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