1.
а)а-b+2c*(a-b)=(a-b)*(1+2c)
б)by+3b+2cy+6c=b*(y+3)+2c*(y+3)=(y+3)*(b+2c)
в)kl-5l-k+5=l*(k-5)-(k-5)=(k-5)*(l-1)
г)3ab-2ac+4cd-6bd=a*(3b-2c)-2d*(3b-2c)=(3b-2c)*(a-2d)
д)
2.
.
Объяснение:
фух
1.
а)а-b+2c*(a-b)=(a-b)*(1+2c)
б)by+3b+2cy+6c=b*(y+3)+2c*(y+3)=(y+3)*(b+2c)
в)kl-5l-k+5=l*(k-5)-(k-5)=(k-5)*(l-1)
г)3ab-2ac+4cd-6bd=a*(3b-2c)-2d*(3b-2c)=(3b-2c)*(a-2d)
д)
2.
.
Объяснение:
фух