Question

Factorise the following :-

a×a×b - a×b ​

Answer 1

Answer:

ab(a-1)

Step-by-step explanation:

a^2b - ab = ab(a-1) --------------- Taking a common

Answer 2

Answer:

Let ab be equal to x

ax - x=0

x(a-1)=0

x=0

ab=0

a=0

a=0b=0