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2020 AMC 10A Question 14

AMC10 · 2020 AMC 10A

Question 14

Real numbers $x$ and $y$ satisfy $x + y = 4$ and $x \cdot y = -2.$ What is the value of $$
x + \frac{x^3}{y^2} + \frac{y^3}{x^2} + y?
$$
  1. $360$
  2. $400$
  3. $420$
  4. $440$
  5. $480$