28z(z-3)=

Solution for 28z(z-3)= equation:

Simplifying
28z(z + -3) = 0

Reorder the terms:
28z(-3 + z) = 0
(-3 * 28z + z * 28z) = 0
(-84z + 28z2) = 0

Solving
-84z + 28z2 = 0

Solving for variable 'z'.

Factor out the Greatest Common Factor (GCF), '28z'.
28z(-3 + z) = 0

Ignore the factor 28.
Subproblem 1
Set the factor 'z' equal to zero and attempt to solve:

Simplifying
z = 0

Solving
z = 0

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

Simplifying
z = 0
Subproblem 2
Set the factor '(-3 + z)' equal to zero and attempt to solve:

Simplifying
-3 + z = 0

Solving
-3 + z = 0

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

Add '3' to each side of the equation.
-3 + 3 + z = 0 + 3

Combine like terms: -3 + 3 = 0
0 + z = 0 + 3
z = 0 + 3

Combine like terms: 0 + 3 = 3
z = 3

Simplifying
z = 3
Solution
z = {0, 3}