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ln((4^x)e^(7x+5)) = ln21; apply a natural log on both sides of the equation as an exponential containing e is involved 

ln4^x + ln(e^(7x+5)) = ln21; using logarithm rules you can seperate the singl...

The best essays have are clear, correct, and convincing.

All essays should be clear. This means that every essay should have an introduction, main body, and conclusion. The introduction should expl...