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How to simplify the expression

How to simplify the expression-example-1
User Bigxiang
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2 Answers

4 votes
21x^-6y^6 / 3x^2y^-8

=21y^6 y^8 / 3x^2 x^6

=7y^14/x^8
User Res
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1 vote
the answer is 21y^6/x^6

User Srctaha
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