Опрос от журнала "8 часов": "Чем Вы питаетесь на работе?"

A Cubic Quandary
What is the value of y + x3 + x?

(1) y = x (x - 3) (x + 3)

(2) y = -5x

(A) Statement (1) ALONE is sufficient to answer the question, but statement (2)
alone is not.
(B) Statement (2) ALONE is sufficient to answer the question, but statement (1)
alone is not.
(C) Statements (1) and (2) TAKEN TOGETHER are sufficient to answer the
question, but NEITHER statement ALONE is sufficient.
(D) EACH statement ALONE is sufficient to answer the question.
(E) Statements (1) and (2) TAKEN TOGETHER are NOT sufficient to answer the
question.