3x^3-30x^2=-75x

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Solution for 3x^3-30x^2=-75x equation:


Simplifying
3x3 + -30x2 = -75x

Reorder the terms:
-30x2 + 3x3 = -75x

Solving
-30x2 + 3x3 = -75x

Solving for variable 'x'.

Reorder the terms:
75x + -30x2 + 3x3 = -75x + 75x

Combine like terms: -75x + 75x = 0
75x + -30x2 + 3x3 = 0

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

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