21d^2-7d=O

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Solution for 21d^2-7d=O equation: 


Simplifying
21d2 + -7d = O

Reorder the terms:
-7d + 21d2 = O

Solving
-7d + 21d2 = O

Solving for variable 'd'.

Reorder the terms:
-1O + -7d + 21d2 = O + -1O

Combine like terms: O + -1O = 0
-1O + -7d + 21d2 = 0

The solution to this equation could not be determined.

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