Real numbers x and y satisfy x+y=4 and x \cdot y=-2. What is the value of
x+\dfrac{x^{3}}{y^{2}}+\dfrac{y^{3}}{x^{2}}+y ?
Answer Choices
A. 360
B. 400
C. 420
D. 440
E. 480
Real numbers x and y satisfy x+y=4 and x \cdot y=-2. What is the value of
x+\dfrac{x^{3}}{y^{2}}+\dfrac{y^{3}}{x^{2}}+y ?
Answer Choices
A. 360
B. 400
C. 420
D. 440
E. 480