algebra

I have 70 problems today and have trouble near the end if I can get help on the ones I am going to to post I can do the last 15. I so appreciate help with understanding the steps. I will split the posts.

Thank you very much.

I will use < as square root sign.
#54
-<18c * <-2c(cubed)

#62
yi<-16y(sq)+ <16y(sq) - y(sq)i<-9

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asked by Brenna

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