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Apply the property of the product of two powers of the same base in reverse: $a^{m+n}=a^m\cdot a^n$
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$3\cdot 3^{-a}-3=2$
Learn how to solve exponential equations problems step by step online. Solve the exponential equation 3^(1-a)-3=2. Apply the property of the product of two powers of the same base in reverse: a^{m+n}=a^m\cdot a^n. Factor the polynomial 3\cdot 3^{-a}-3 by it's greatest common factor (GCF): 3. Divide both sides of the equation by 3. We need to isolate the dependent variable , we can do that by simultaneously subtracting -1 from both sides of the equation.