Given that $a ^ { 2 } + a = 1$, $$a ^ { 4 } - 2$$ Which of the following is the equivalent of this expression in terms of $a$? A) $- a$ B) $- a + 2$ C) $- 2 a$ D) $- 2 a + 1$ E) $- 3 a$
Given that $a ^ { 2 } + a = 1$,
$$a ^ { 4 } - 2$$
Which of the following is the equivalent of this expression in terms of $a$?\\
A) $- a$\\
B) $- a + 2$\\
C) $- 2 a$\\
D) $- 2 a + 1$\\
E) $- 3 a$