Answer:
25a^2-49
Step-by-step explanation:
1)use FOIL
F=first
O=out
I=inside
L=last
5a*5a+5a*-7+7*5a*7*-7
25a^2-35a+35a-49
25a^2-49
Hope this helps!
Answer:
ITS B ..
Step-by-step explanIation:
subs to sir joel his playing blockman go
The correct answer would be C) CBA-EFD
757 units squared. Here is work:
1st one is 40
2nd is 4
3rd is 12