Quadratic and Polynomial (Urgent)

I think you will find that I posted some help for this for another member of your class!

Jonel
 
This is a math help site where we help students solve their problem. We do not solve problems for students. If you had read the posting guidelines then you would have received help by now.

I will give you a hint for the 1st problem. If you subtract two quantities and get 0 that is because the two quantities are equal to one another. So we quickly obtain that y=x^2. Now replace y in the other equation with x^2, get a quadratic equation and solve it. Then solve for y.
 
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