r^4=5r^3+24r^2

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Solution for r^4=5r^3+24r^2 equation: 


Simplifying
r4 = 5r3 + 24r2

Reorder the terms:
r4 = 24r2 + 5r3

Solving
r4 = 24r2 + 5r3

Solving for variable 'r'.

Reorder the terms:
-24r2 + -5r3 + r4 = 24r2 + 5r3 + -24r2 + -5r3

Reorder the terms:
-24r2 + -5r3 + r4 = 24r2 + -24r2 + 5r3 + -5r3

Combine like terms: 24r2 + -24r2 = 0
-24r2 + -5r3 + r4 = 0 + 5r3 + -5r3
-24r2 + -5r3 + r4 = 5r3 + -5r3

Combine like terms: 5r3 + -5r3 = 0
-24r2 + -5r3 + r4 = 0

Factor out the Greatest Common Factor (GCF), 'r2'.
r2(-24 + -5r + r2) = 0

Factor a trinomial.
r2((-3 + -1r)(8 + -1r)) = 0


Subproblem 1
Set the factor 'r2' equal to zero and attempt to solve:

Simplifying
r2 = 0

Solving
r2 = 0

Move all terms containing r to the left, all other terms to the right.

Simplifying
r2 = 0

Take the square root of each side:
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 '(8 + -1r)' equal to zero and attempt to solve:

Simplifying
8 + -1r = 0

Solving
8 + -1r = 0

Move all terms containing r to the left, all other terms to the right.

Add '-8' to each side of the equation.
8 + -8 + -1r = 0 + -8

Combine like terms: 8 + -8 = 0
0 + -1r = 0 + -8
-1r = 0 + -8

Combine like terms: 0 + -8 = -8
-1r = -8

Divide each side by '-1'.
r = 8

Simplifying
r = 8
Solution
r = {0, -3, 8}

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