Using suitable properties, find the value of following:
Simplify:
a) 126×55+126×45
b) 89×48
c) 49×12
[3 MARKS]
Each option: 1 Mark
By using distributive property we can simplify the problem
a)126(55+45)=126×100=12600.
b) (90−1)×(50−2)
=4500−180−50+2=4272.
c) 49×12=(50−1)×(10+2)
=500+100−10−2=588