Exponential and Logarithmic Functions - Solving Exponential Equations Using Substitution

Exponential and Logarithmic Functions - Solving Exponential Equations Using Substitution

By using an appropriate substitution, solve the following equation \({{9}^{x+1}}-28\left( {{3}^{x}} \right)+3=0\).

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Answer:\(x=1\) or \(x=-2\)

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