(C)
(D)
(E) 25 x^237 . (x +
y + 3)(x + y + 3) =(x +y)^2 + 9(A)
x^2 +y^2 + 9(B)
x^2 +y^2 + 6xy + 9(C)
(D) (x + y)^2 + 6(x + y) + 9
(E) (x + y)^2 + 9(x + y) + 938 . The area of square ABCD is three-fourths the area of parallelogram
EFGH. The area of parallelogram EFGH is one-third the area of