5x^3=30x-25x^2

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Solution for 5x^3=30x-25x^2 equation:


Simplifying
5x3 = 30x + -25x2

Solving
5x3 = 30x + -25x2

Solving for variable 'x'.

Reorder the terms:
-30x + 25x2 + 5x3 = 30x + -25x2 + -30x + 25x2

Reorder the terms:
-30x + 25x2 + 5x3 = 30x + -30x + -25x2 + 25x2

Combine like terms: 30x + -30x = 0
-30x + 25x2 + 5x3 = 0 + -25x2 + 25x2
-30x + 25x2 + 5x3 = -25x2 + 25x2

Combine like terms: -25x2 + 25x2 = 0
-30x + 25x2 + 5x3 = 0

Factor out the Greatest Common Factor (GCF), '5x'.
5x(-6 + 5x + x2) = 0

Factor a trinomial.
5x((-6 + -1x)(1 + -1x)) = 0

Ignore the factor 5.

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 '(-6 + -1x)' equal to zero and attempt to solve: Simplifying -6 + -1x = 0 Solving -6 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '6' to each side of the equation. -6 + 6 + -1x = 0 + 6 Combine like terms: -6 + 6 = 0 0 + -1x = 0 + 6 -1x = 0 + 6 Combine like terms: 0 + 6 = 6 -1x = 6 Divide each side by '-1'. x = -6 Simplifying x = -6

Subproblem 3

Set the factor '(1 + -1x)' equal to zero and attempt to solve: Simplifying 1 + -1x = 0 Solving 1 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + -1x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -1x = 0 + -1 -1x = 0 + -1 Combine like terms: 0 + -1 = -1 -1x = -1 Divide each side by '-1'. x = 1 Simplifying x = 1

Solution

x = {0, -6, 1}

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