Ok, Im doing my calculus homework, but sometimes I get a negative in the wrong place...(adsbygoogle = window.adsbygoogle || []).push({});

Here is an example:

The solution I got for the derivative attached is on the numerator:

5e^x(9e^x)-5e^x(4+9e^x)

In the solution, the negative sign is on the other side??

I dont get it

**Physics Forums | Science Articles, Homework Help, Discussion**

Join Physics Forums Today!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

# Homework Help: Finding Derivative, but wrong sign

**Physics Forums | Science Articles, Homework Help, Discussion**