Question

3a-3 4a+2............

Answer 1

P= 2 (3a -3)+2(4a+2)
P=6a-6+8a+4
P=14a-20

A = b.h
A= ( 3a-3 )(4a+2)
A= 12a^2 +6a -12a -6
A= 12^2 -6a -6