Find the Real Zeros of the Function $$F ( x ) = x ^ { 4 } - 26 x ^ { 2 } + 25$$

Multiple Choice

Find the real zeros of the function. List the x-intercepts of the graph of the function.
- $$F ( x ) = x ^ { 4 } - 26 x ^ { 2 } + 25$$

A) $x = - 5 , x = 5$
B) $x = - 26 , x = 26$
C) $x = - 25 , x = 25$
D) $x = - 1 , x = 1 , x = - 5 , x = 5$