Question

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

Answer 1

Задание решено...............

Answer 2

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