Write the Polynomial in Completely Factored Form $( x + 5 ) ( x - 5 ) ( x + \sqrt { 5 } ) ( x - \sqrt { 5 } )$

Write the polynomial in completely factored form.
F(x) = x⁴ + 20x² - 125

A) $( x + 5 ) ( x - 5 ) ( x + \sqrt { 5 } ) ( x - \sqrt { 5 } )$
B) $( x + 5 ) ( x - 5 i ) ( x + \sqrt { 5 } ) ( x - \sqrt { 5 } i )$
C) $( x + 5 ) ( x - 5 ) ( x + \sqrt { 5 } i ) ( x - \sqrt { 5 } i )$
D) $( x + 5 i ) ( x - 5 i ) ( x + \sqrt { 5 } ) ( x - \sqrt { 5 } )$
E) $( x + 5 i ) ( x - 5 ) ( x + \sqrt { 5 i } ) ( x - \sqrt { 5 } )$