The problem is: Here's the work I've tried doing on it: I split the up into . Then I...
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Originally Posted by A Beautiful Mind The problem is: Here's the work I've tried doing on it: I split the up into . Then I... me: (Different bases mean you can't take it away like that ) The key to this question is recognising that 4 can be written as 2^2 This is a quadratic in 2^x
Hello, A Beautiful Mind! Your "split" is incorrect. Solve for We have: . Factor: . Then: . Therefore: .
EDIT: Just saw Soroban's post. I was trying to use my teacher's method...lol.
Originally Posted by A Beautiful Mind The problem is: Here's the work I've tried doing on it: I split the up into . Then I... Just in case - I don't think it was pointed out that: is actually wrong, should be:
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