Question

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

Answer 1

(x-4)^2+2(4+x)(4-x)+(x+4)^2=х^2-8х+16+32-2х^2+х^2+8х+16=64

Answer 2

=64

Answer 3

=х²-8х+16+32-2х²+х²+8х+16 = 64