Question

Помогите плиз. Номер 17.5 2 и 4, 17.7 2 и 4 и 17.12 2 и 4

Answer 1

№17.5

2) =z(z+x)-k(z+x)=(z+x)(z-k)

4) =y(y+m)-k(y+m)=(y+m)(y-k)