Answer:
x = {- 4, 4}
Step-by-step explanation:
factored polynomial is: (x–4)(x+4)
Let (x–4)(x+4) = 0
[tex] \therefore \: (x - 4)= 0 \: or \: (x+4) = 0 \\ \therefore \:x = 4 \: \: or \: \: x = - 4 \\ \therefore \:x = \{ - 4, \: \: 4 \} \\ are \: the \: required \: roots.[/tex]
