Factor the Trinomial Square and Use the Square Root Method $x ^ { 2 } - 9 x + 1 = 1$

Multiple Choice

Factor the trinomial square and use the square root method to solve the equation. $x ^ { 2 } - 9 x + 1 = 1$

A) $0$
B) $\pm9$
C) $0 , - 9$
D) $0,9$
E) $9$