Question

factorize x2-16
please​

Answer 1

x^-(4)^=0

(x+4) (x-4)=0

x+4=0

x=-4

Then;

x-4=0

x=4

Answer 2

x2-16

=x2-(4)^2 =0

=(X+4)(x-4)=0

= x=-4. or. X=+4