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3 votes
Nonpermissable replacement for a in 4/-9a

User Oneeka
by
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2 Answers

2 votes

Answer: 0

Explanation:

User Ircover
by
7.0k points
2 votes
If a=0, then the denominator is equal to 0. Since you cannot divide by zero, you are not allowed to do this.
User Satya
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