question no. 5 solve this in notebook in briefly
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in this problem
5^2 × 5^x - 5 = 625
= 25 × 5^x - 5 = 625
625/25 = (5)^x - 5
25 = 5^2
hence X = 7 - 5 = 2.
2
5^2 × 5^x - 5 = 625
= 25 × 5^x - 5 = 625
625/25 = (5)^x - 5
25 = 5^2
hence X = 7 - 5 = 2.
2
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