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Simplify the expression using properties of exponents. 12a-9b-4 9a2b6
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Simplify the expression using properties of exponents. 12a-9b-4 9a2b6

User Michele Bortolato
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1 Answer

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21a-7b+2 is the answer
FIRST
1. just add 12a and 9a
NEXT
2. add-9b and 2b
FINALLY
3. add -4 and 6
User Loren Pechtel
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