Question

Помогите пожалуйста.

Answer 1

1) (a+2)^2-1 2) 16-(x+y)^2

(a+2-1)×(a+2+1) (4-(x+y))×(4+(x+y))

(a+1)×(a+3) (4-x-y)×(4+x+y) 3) (5y-6)^2-49 4) (m-7)^2-64

(5y-6-7)×(5y-6+7) (m-7-8)×(m-7+8)

(5y-13)×(5y+1) (m-15)×(m+1) 5) 16a^2-(4a+6)^2

(4a-(4a+6))×(4a+(4a+6))

(4a-4a-6)×(4a+4a+6)

-6(4a+4a+6) 6) 49m^2-(n+8m)^2

-6(8a+6) (7m-(n+8m))×(7m+(n+8m))

-6×2(4a+3) (7m-n-8m)×(7m+n+8m)

-12(4a+3) (-m-n)×(15m+n)