SOLUTION: Solve the exponential equation. Express your solutions in exact form only. Please show all of your work. 4^x-10*2^x-74=1

Algebra ->  Rational-functions -> SOLUTION: Solve the exponential equation. Express your solutions in exact form only. Please show all of your work. 4^x-10*2^x-74=1      Log On


   

Question 534468: Solve the exponential equation. Express your solutions in exact form only. Please show all of your work.
4^x-10*2^x-74=1
Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!


You really need to use parentheses so that your statements aren't ambiguous. I'm guessing you mean:










Take the base 2 log of both sides



Use the laws of logs:









John

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