I get confused with these Problems. I'm not 100 percent on this and have a test tomorrow

I get confused with these Problems. I'm not 100 percent on this and have a test tomorrow

Well, let's say you have 5 apples and you want 5 more. You would say that as 5+5=? To figure that out, use your fingers!! Put 5 fingers out and then add 5 more fingers and see what you get! Answer:...

The problem is : (3x+3/x^2+2x+1)+(x-1/x^2-1) ^2=squared ive been on a lot of math help websites but I cant seem to figure out how to solve this

adding and subtracting with unlike denominators

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