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# exponential question! watch

1. 17e^(2x)=21 + 2e^(4x)

I have to find all real roots, how do i go about doing it? is the first step logging (LN) both sides?

much appreciated.
2. sub z=e^(2x) and treat as quadratic
3. (Original post by Adampolar)
sub z=e^(2x) and treat as quadratic
wow it works lol thanks

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