-4x^3(5x+2y)=0

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Solution for -4x^3(5x+2y)=0 equation: 


Simplifying
-4x3(5x + 2y) = 0
(5x * -4x3 + 2y * -4x3) = 0

Reorder the terms:
(-8x3y + -20x4) = 0
(-8x3y + -20x4) = 0

Solving
-8x3y + -20x4 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '-4x3'.
-4x3(2y + 5x) = 0

Ignore the factor -4.

Subproblem 1
Set the factor 'x3' equal to zero and attempt to solve:

Simplifying
x3 = 0

Solving
x3 = 0

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

Simplifying
x3 = 0

The solution to this equation could not be determined.

This subproblem is being ignored because a solution could not be determined.

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

Simplifying
2y + 5x = 0

Reorder the terms:
5x + 2y = 0

Solving
5x + 2y = 0

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

Add '-2y' to each side of the equation.
5x + 2y + -2y = 0 + -2y

Combine like terms: 2y + -2y = 0
5x + 0 = 0 + -2y
5x = 0 + -2y
Remove the zero:
5x = -2y

Divide each side by '5'.
x = -0.4y

Simplifying
x = -0.4y
Solution
x = {-0.4y}

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