Question

(6-k)(6+k)=

(c+8)^2=

(7-y)(49+7y+y^2)=

Answer 1

Ответ:

Объяснение:

(6-k)(6+k)=36-k²=-k²+36

(c+8)²=c²+16c+64

(7-y)(49+7y+y²)=7³-y³=343-y³=-y³+343