Question: I am trying to follow along with https://imgur.com/a/y7alnwt but I do not understand how they got that simplified answer. I do get the left side
I am trying to follow along with https://imgur.com/a/y7alnwt but I do not understand how they got that simplified answer. I do get the left side of the subtraction, divide both sides by (x-4) but when I do that I get
x2-4 -4x2/(x2-4)3
Can you expand how they simplified this?
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