Answer:
<em>(a)
(b)
(c)
(d)
</em>
Step-by-step explanation:
For each expression, <u>we need to factor out the GCF(Greatest common factor)</u>
a) 
Here, the GCF is
. So, we will get.....

b) 
Here, the GCF is
. So, we will get......

c) 
Here, the GCF is
. So, we will get.......

d) 
Here, the GCF is
. So, we will get.......
