SOLUTION: Could someone explain one of these problems to me step by step? I'm really confused. https://pasteboard.co/GzBGnIg.jpg

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Question 1086864: Could someone explain one of these problems to me step by step? I'm really confused.
https://pasteboard.co/GzBGnIg.jpg
Answer by Edwin McCravy(20064) About Me  (Show Source):
You can put this solution on YOUR website!
Watch these Youtube videos

https://www.youtube.com/watch?v=6oehycq06vo

https://www.youtube.com/watch?v=eddEFzyhTvk

https://www.youtube.com/watch?v=uShsBVtc4cc

https://www.youtube.com/watch?v=P_-c9D6mjGA 

Edwin