Question

(e)
Factorise:3a'b-27ab​

Answer 1

Answer:

Hey mate it is 3b(a'+9a)

Step-by-step explanation:

In the above sum we have only 3b has common factor .Taking it out we get a'+9a inside the bracket .since 3 is common for the values inside the bracket we write 3b(a'+9a)