Anybody good at maths?

Literally am tired of burdening the people I care about with incessant questions on how and why.
Any maths teachers around?

Update with question
Ok so I need to simplify e^In(7x)

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dumpstermeow · 41-45, F

I was a math tutor a million years ago in college. I only remember algebra level junk.

bhatjc · 46-50, M

@dumpstermeow A squared + b squared = c Squared