50pts........... Solve This
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sinnya08642:
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Answer:
⇢ 5^x - 3 × 3^2x - 5 = 225
⇢ 5^(x - 3) × 3^(2x - 5) = 15²
⇢ 5^(x - 3) × 3^(2x - 5) = (3 × 5)
⇢ {5^x - 3} × {3^2x - 5} = {3²} × {5²}
⇢ 3² × -5 = 3²
⇢ 2 × -5 = 2
⇢ 2x = 7
⇢ x = 7/2
Therefore, this is the required answer.
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