Answer:
[tex](x^{2} -4)(x^{2} +4)[/tex]
Step-by-step explanation:
[tex]x^{4}-16[/tex]
= [tex](x^{2} -4)(x^{2} +4)[/tex]
find what the square root is for the two terms
put them in brackets with different signs
General rule:
[tex]x^{2} -y^{2} = (x-y)(x+y)[/tex]
Hope that helped
