8r^3+24r^2=32r

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Solution for 8r^3+24r^2=32r equation:


Simplifying
8r3 + 24r2 = 32r

Reorder the terms:
24r2 + 8r3 = 32r

Solving
24r2 + 8r3 = 32r

Solving for variable 'r'.

Reorder the terms:
-32r + 24r2 + 8r3 = 32r + -32r

Combine like terms: 32r + -32r = 0
-32r + 24r2 + 8r3 = 0

Factor out the Greatest Common Factor (GCF), '8r'.
8r(-4 + 3r + r2) = 0

Factor a trinomial.
8r((-4 + -1r)(1 + -1r)) = 0

Ignore the factor 8.

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 '(-4 + -1r)' equal to zero and attempt to solve: Simplifying -4 + -1r = 0 Solving -4 + -1r = 0 Move all terms containing r to the left, all other terms to the right. Add '4' to each side of the equation. -4 + 4 + -1r = 0 + 4 Combine like terms: -4 + 4 = 0 0 + -1r = 0 + 4 -1r = 0 + 4 Combine like terms: 0 + 4 = 4 -1r = 4 Divide each side by '-1'. r = -4 Simplifying r = -4

Subproblem 3

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

Solution

r = {0, -4, 1}

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