Question

if 5 power m into 5 power 3 into 5 power 2 divided by (-5) power (-5) is equal to 5 power 12 find m​

Answer 1

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${5}^{m - 7} = 1 \div - 3125 \\ {5}^{m - 7 + 5} = - 1 \\ {5}^{m - 2} = - {5}^{0} \\ {5}^{m - 2} + {5}^{0} = 0 \\ {5}^{0} ( {5}^{m - 2} + 1) = 0$

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Answer 2

Answer:

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