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2 votes
Subtract: (-12a^9-13u)-(-13a^9)​

User Sebrina
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6.7k points

2 Answers

3 votes

= 25a^9-13u is the answer I got

User Marderh
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7.0k points
1 vote

The answer is a^9-13u

User SageMage
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7.3k points