Question

a3b - a2b + 5ab - 5 b factarisation​

Answer 1

Answer:

b(a^2+5) +(a-1)...

............

............

............

Answer 2

Answer:

b(a-1)(a2+5)

Explanation:

By taking a2b common in the first two term and 5b as common in the second two term

a3b−a2b+5ab−5b=a2b(a−1)+5ab(a−1)

So we get,

a3b−a2b+5ab−5b=(a−1)(a 2b+5b)

By taking b as common. We get,

a3b−a2b+5ab−5b=b(a−1)(a2+5)