4u^2=8u

Solution for 4u^2=8u equation:

Simplifying
4u2 = 8u

Solving
4u2 = 8u

Solving for variable 'u'.

Reorder the terms:
-8u + 4u2 = 8u + -8u

Combine like terms: 8u + -8u = 0
-8u + 4u2 = 0

Factor out the Greatest Common Factor (GCF), '4u'.
4u(-2 + u) = 0

Ignore the factor 4.
Subproblem 1
Set the factor 'u' equal to zero and attempt to solve:

Simplifying
u = 0

Solving
u = 0

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

Simplifying
u = 0
Subproblem 2
Set the factor '(-2 + u)' equal to zero and attempt to solve:

Simplifying
-2 + u = 0

Solving
-2 + u = 0

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

Add '2' to each side of the equation.
-2 + 2 + u = 0 + 2

Combine like terms: -2 + 2 = 0
0 + u = 0 + 2
u = 0 + 2

Combine like terms: 0 + 2 = 2
u = 2

Simplifying
u = 2
Solution
u = {0, 2}