c⁸xc⁷÷c⁹
I don't know can you help me plz
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c^(8+7-9)
c^6 ... is your answer
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c⁸ × c⁷ ÷ c⁹
by the identity : a^m × a^n = a^m×n
= c¹⁵ ÷ c⁹
by the identity : a^m ÷ a^n = a^m-n
= c⁶
answer is c⁶
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