1) 8a+3a=a(8+3)=11a
2) x+21x=x(1+21)=22x
12b-4b=b(12-4)=8b
27y-23y=y(27-23)=4y
5x-x=x(5-1)=4x
52a+14a=a(52+14)=66a
3) 24y+18y=y(24+18)=42y
4)2a+3a+4=a(2+3)+4=5a+4
53x+x=x(53+1)=54x
7x-x-6=x(7-1)-6=6x-6=6(x-1)
100y-22y=y(100-22)=78y
8+5c+2c=8+c(5+2)=8+7c
1) 8a+3a=a(8+3)=11a
2) x+21x=x(1+21)=22x
12b-4b=b(12-4)=8b
27y-23y=y(27-23)=4y
5x-x=x(5-1)=4x
52a+14a=a(52+14)=66a
3) 24y+18y=y(24+18)=42y
4)2a+3a+4=a(2+3)+4=5a+4
53x+x=x(53+1)=54x
7x-x-6=x(7-1)-6=6x-6=6(x-1)
100y-22y=y(100-22)=78y
8+5c+2c=8+c(5+2)=8+7c