d(d-4)=0

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Solution for d(d-4)=0 equation: 


Simplifying
d(d + -4) = 0

Reorder the terms:
d(-4 + d) = 0
(-4 * d + d * d) = 0
(-4d + d2) = 0

Solving
-4d + d2 = 0

Solving for variable 'd'.

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


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

Simplifying
d = 0

Solving
d = 0

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

Simplifying
d = 0

Subproblem 2
Set the factor '(-4 + d)' equal to zero and attempt to solve:

Simplifying
-4 + d = 0

Solving
-4 + d = 0

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

Add '4' to each side of the equation.
-4 + 4 + d = 0 + 4

Combine like terms: -4 + 4 = 0
0 + d = 0 + 4
d = 0 + 4

Combine like terms: 0 + 4 = 4
d = 4

Simplifying
d = 4
Solution
d = {0, 4}

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