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

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


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

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

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

Multiply (5 + x) * (-3 + x)
4x(5(-3 + x) + x(-3 + x)) = 0
4x((-3 * 5 + x * 5) + x(-3 + x)) = 0
4x((-15 + 5x) + x(-3 + x)) = 0
4x(-15 + 5x + (-3 * x + x * x)) = 0
4x(-15 + 5x + (-3x + x2)) = 0

Combine like terms: 5x + -3x = 2x
4x(-15 + 2x + x2) = 0
(-15 * 4x + 2x * 4x + x2 * 4x) = 0
(-60x + 8x2 + 4x3) = 0

Solving
-60x + 8x2 + 4x3 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '4x'.
4x(-15 + 2x + x2) = 0

Factor a trinomial.
4x((-5 + -1x)(3 + -1x)) = 0

Ignore the factor 4.

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 + -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

Subproblem 3
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, -5, 3}

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