Posted by **Amy** on Thursday, January 27, 2011 at 5:20pm.

How to solve for x:

2^(2x) + 2^(x) -12 = 0

Steps too

I tried solving this but I ended with ln(12) / 2ln(2) + ln(2) but the real answer is supposed to be ln(3) / ln(2) or 1.585

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