d*d=5d

Solution for d*d=5d equation:

Simplifying
d * d = 5d

Multiply d * d
d2 = 5d

Solving
d2 = 5d

Solving for variable 'd'.

Reorder the terms:
-5d + d2 = 5d + -5d

Combine like terms: 5d + -5d = 0
-5d + d2 = 0

Factor out the Greatest Common Factor (GCF), 'd'.
d(-5 + 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 '(-5 + d)' equal to zero and attempt to solve:

Simplifying
-5 + d = 0

Solving
-5 + d = 0

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

Add '5' to each side of the equation.
-5 + 5 + d = 0 + 5

Combine like terms: -5 + 5 = 0
0 + d = 0 + 5
d = 0 + 5

Combine like terms: 0 + 5 = 5
d = 5

Simplifying
d = 5
Solution
d = {0, 5}