Answer: 12a2+48a+48
Step-by-step explanation:
(6a+12)/5.10(a+2)
. dot in mathematics means ×
So we can say
((6a+12)/5)×10(a+2)
((6a+12)/5)×10(a+2)/1
The 5 can be used to divide d 10
So we have
(6a+12)×2(a+2)
Open the bracket
(6a+12)×(2a+4)
(6a+12)(2a+4)
Open the bracket
12a2+24a+24a+48
12a2+48a+48
