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`( 3125^x xx 5^9)/ 625 = (125)^-1` |
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Answer» `(3125^x xx5^9)/625 = 125^-1` `=>(3125^x xx5^9)/5^4 = 1/5^3` `=>(3125^x xx5^8) = 1` `=>((5^5)^x xx 5^8) = 5^0` `=>5^(5x+8) = 5^0` `5x+8 = 0=> x = -8/5` |
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