2^2x-8(2^x)+15=0

Question

"Solve the equation, give your answer correct to two decimal places."

Comments

This is what i was looking for. Thanks for such detailed explanation bro.

Answer 1

This is the correct explanation by me. Firstly I used arithmetic method but i found that graphical method was more technical than that. 

Hope you will understand it. 

Comment me back on this or feel free to mail me , enjoy! 

Comments

Great explanation, I found this question on CAMBRIDGE admission test but wasn't able to find solution.
Thanks

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Thanks bro!! Good explanation

This question is quite interesting because it can't be done by arithmetic method or by calculation, graphical analysis is only option in this I guess. Professors at CAMBRIDGE university are very intelligent all we can conclude by seeing this masterpiece question.

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Great work bro, it helped me a lot.