What are the zeros of the function f(x) = x2 + 5x + 5 written in simplest radical form? quadratic formula: x = startfraction negative b plus or minus startroot b squared minus 4 a c endroot over 2 a endfraction x = startfraction 5 plus or minus 10 startroot 5 endroot over 2 endfraction x = startfraction negative 5 plus or minus 10 startroot 5 endroot over 2 endfraction x = startfraction negative 5 plus or minus startroot 5 endroot over 2 endfraction x = startfraction 5 plus or minus startroot 5 endroot over 2 endfraction