0=-4x^3+100x

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Solution for 0=-4x^3+100x equation:


Simplifying
0 = -4x3 + 100x

Reorder the terms:
0 = 100x + -4x3

Solving
0 = 100x + -4x3

Solving for variable 'x'.
Remove the zero:
-100x + 4x3 = 100x + -4x3 + -100x + 4x3

Reorder the terms:
-100x + 4x3 = 100x + -100x + -4x3 + 4x3

Combine like terms: 100x + -100x = 0
-100x + 4x3 = 0 + -4x3 + 4x3
-100x + 4x3 = -4x3 + 4x3

Combine like terms: -4x3 + 4x3 = 0
-100x + 4x3 = 0

Factor out the Greatest Common Factor (GCF), '4x'.
4x(-25 + x2) = 0

Factor a difference between two squares.
4x((5 + x)(-5 + x)) = 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 + x)' equal to zero and attempt to solve: Simplifying 5 + x = 0 Solving 5 + x = 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 + x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + x = 0 + -5 x = 0 + -5 Combine like terms: 0 + -5 = -5 x = -5 Simplifying x = -5

Subproblem 3

Set the factor '(-5 + x)' equal to zero and attempt to solve: Simplifying -5 + x = 0 Solving -5 + x = 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 + x = 0 + 5 Combine like terms: -5 + 5 = 0 0 + x = 0 + 5 x = 0 + 5 Combine like terms: 0 + 5 = 5 x = 5 Simplifying x = 5

Solution

x = {0, -5, 5}

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