Question

plz answer fast.......

Answer 1

Answer:

=(x-4)^2-(x+4)^2

=x^2-4^2

x^2=4^2

x=4

Answer 2

hello there!

p(x)= $(x-4)^{2}  - (x+4)^{2}$-()

= x^2-8x+16 - x^2+8x+16

= -16x (because everything cancels out except -8x and -(8x)

= -16x=0

=>  x=0

hope this helps you :)