Question

(b+8)×(b-8)-(b+8)^2=?
РЕШИТЕ ПЖ!!!

Answer 1

(b+8)*(b-8)-(b+8)^2=b^2-64-b^2-16b-64= -16b-128

Answer 2

Спасибо

Answer 3

(b+8)*(b-8)-(b+8)²=b²-64-(b²+16b+64)=b²-64-b²-16b-64=-16b-128