64r^3=4r

Solution for 64r^3=4r equation:

Simplifying
64r3 = 4r

Solving
64r3 = 4r

Solving for variable 'r'.

Reorder the terms:
-4r + 64r3 = 4r + -4r

Combine like terms: 4r + -4r = 0
-4r + 64r3 = 0

Factor out the Greatest Common Factor (GCF), '4r'.
4r(-1 + 16r2) = 0

Factor a difference between two squares.
4r((1 + 4r)(-1 + 4r)) = 0

Ignore the factor 4.
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 '(1 + 4r)' equal to zero and attempt to solve:

Simplifying
1 + 4r = 0

Solving
1 + 4r = 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 + 4r = 0 + -1

Combine like terms: 1 + -1 = 0
0 + 4r = 0 + -1
4r = 0 + -1

Combine like terms: 0 + -1 = -1
4r = -1

Divide each side by '4'.
r = -0.25

Simplifying
r = -0.25
Subproblem 3
Set the factor '(-1 + 4r)' equal to zero and attempt to solve:

Simplifying
-1 + 4r = 0

Solving
-1 + 4r = 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 + 4r = 0 + 1

Combine like terms: -1 + 1 = 0
0 + 4r = 0 + 1
4r = 0 + 1

Combine like terms: 0 + 1 = 1
4r = 1

Divide each side by '4'.
r = 0.25

Simplifying
r = 0.25
Solution
r = {0, -0.25, 0.25}