Posted by Tifini on Sunday, July 15, 2012 at 10:39pm.
Factor by grouping.
36 + ab + 2b + 18a
A. (a2)(b18)
B. (a+2)(b+18)
C. (a+2)(18a+2)
D. (ab+2b)(36+18a)
E. this cannot be factored.

Integrated Math 1  Xokki, Sunday, July 15, 2012 at 10:42pm
b(a+2)+18(2+a)
=(b+18)(a+2)
so B