X^3-27X=6X^2

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Solution for X^3-27X=6X^2 equation:


Simplifying
X3 + -27X = 6X2

Reorder the terms:
-27X + X3 = 6X2

Solving
-27X + X3 = 6X2

Solving for variable 'X'.

Reorder the terms:
-27X + -6X2 + X3 = 6X2 + -6X2

Combine like terms: 6X2 + -6X2 = 0
-27X + -6X2 + X3 = 0

Factor out the Greatest Common Factor (GCF), 'X'.
X(-27 + -6X + X2) = 0

Factor a trinomial.
X((-3 + -1X)(9 + -1X)) = 0

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 '(-3 + -1X)' equal to zero and attempt to solve: Simplifying -3 + -1X = 0 Solving -3 + -1X = 0 Move all terms containing X to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + -1X = 0 + 3 Combine like terms: -3 + 3 = 0 0 + -1X = 0 + 3 -1X = 0 + 3 Combine like terms: 0 + 3 = 3 -1X = 3 Divide each side by '-1'. X = -3 Simplifying X = -3

Subproblem 3

Set the factor '(9 + -1X)' equal to zero and attempt to solve: Simplifying 9 + -1X = 0 Solving 9 + -1X = 0 Move all terms containing X to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + -1X = 0 + -9 Combine like terms: 9 + -9 = 0 0 + -1X = 0 + -9 -1X = 0 + -9 Combine like terms: 0 + -9 = -9 -1X = -9 Divide each side by '-1'. X = 9 Simplifying X = 9

Solution

X = {0, -3, 9}

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