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

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


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

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

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

Multiply (-5 + x) * (5 + 3x)
3x(-5(5 + 3x) + x(5 + 3x)) = 0
3x((5 * -5 + 3x * -5) + x(5 + 3x)) = 0
3x((-25 + -15x) + x(5 + 3x)) = 0
3x(-25 + -15x + (5 * x + 3x * x)) = 0
3x(-25 + -15x + (5x + 3x2)) = 0

Combine like terms: -15x + 5x = -10x
3x(-25 + -10x + 3x2) = 0
(-25 * 3x + -10x * 3x + 3x2 * 3x) = 0
(-75x + -30x2 + 9x3) = 0

Solving
-75x + -30x2 + 9x3 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '3x'.
3x(-25 + -10x + 3x2) = 0

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

Ignore the factor 3.

Subproblem 1
Set the factor 'x' equal to zero and attempt to solve:

Simplifying
x = 0

Solving
x = 0

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

Simplifying
x = 0

Subproblem 2
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 3
Set the factor '(5 + -1x)' equal to zero and attempt to solve:

Simplifying
5 + -1x = 0

Solving
5 + -1x = 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 + -1x = 0 + -5

Combine like terms: 5 + -5 = 0
0 + -1x = 0 + -5
-1x = 0 + -5

Combine like terms: 0 + -5 = -5
-1x = -5

Divide each side by '-1'.
x = 5

Simplifying
x = 5
Solution
x = {0, -1.666666667, 5}

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