-7x^3+100x=-75x

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Solution for -7x^3+100x=-75x equation:


Simplifying
-7x3 + 100x = -75x

Reorder the terms:
100x + -7x3 = -75x

Solving
100x + -7x3 = -75x

Solving for variable 'x'.

Reorder the terms:
100x + 75x + -7x3 = -75x + 75x

Combine like terms: 100x + 75x = 175x
175x + -7x3 = -75x + 75x

Combine like terms: -75x + 75x = 0
175x + -7x3 = 0

Factor out the Greatest Common Factor (GCF), '7x'.
7x(25 + -1x2) = 0

Factor a difference between two squares.
7x((5 + x)(5 + -1x)) = 0

Ignore the factor 7.

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 + -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, -5, 5}

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