r^3-6r^2=27r

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


Simplifying
r3 + -6r2 = 27r

Reorder the terms:
-6r2 + r3 = 27r

Solving
-6r2 + r3 = 27r

Solving for variable 'r'.

Reorder the terms:
-27r + -6r2 + r3 = 27r + -27r

Combine like terms: 27r + -27r = 0
-27r + -6r2 + r3 = 0

Factor out the Greatest Common Factor (GCF), 'r'.
r(-27 + -6r + r2) = 0

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

Subproblem 1

Set the factor 'r' equal to zero and attempt to solve: Simplifying r = 0 Solving r = 0 Move all terms containing r to the left, all other terms to the right. Simplifying r = 0

Subproblem 2

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

Subproblem 3

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

Solution

r = {0, -3, 9}

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