KCC's Quizzes AQQ305 about a mutual exponentiation equation
1. Quote of the month: "A train station is where a train stops. A bus station is where a bus stops. I have a work station on my desk, so..." - unknown
2. Quiz AQQ305 about finding a mutual exponential equation
Good luck, and try to be among the
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September Monthly Blog Quiz! Read the blog, take the quiz, and you could win a gift card
Quiz: How Well Do You Know Adaptive Power Switching?
Is your I/O module overheating? The AD74416H's Adaptive Power Switching (APS) can cut heat dissipation by up to 40% — but how well do you really understand how it works?
Read the blog first: Cooling
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And here is a new challenge! It's easier than the previous one but still...

Please spread those weekly quizzes among your colleagues!
Also, please be informed awards and goodies are being sent to the frequent winners. Please apologize for the long delay since we do that only 2 times per year!
Certificates of the wins are also sent in paper form; the ones desiring a digital copy, please let us know!
Some statistics about the frequent winners by country origins: (we have also statistics by individuals, but they can be provided on demand and only with own data).

Regards
Kuo-Chang
8x+2x=130
(23)x+2x=130
(2x)3+2x=130
Let a=2x which results in the cubic equation:
a3+a-130=0
By inspection, the real root is a=5. The two other roots are non-real complex conjugate numbers. See Cardano’s formula in Wikipedia for the calculation of the complex roots.
X=log(a)/log(2)=2.321928095