Question

a3b-a²b + 5ab 5b what is the answer​

Answer 1

Step-by-step explanation:

= a²b × a - a²b × 1 + 5b × a - 5b × 1

= a²b(a - 1) + 5b(a - 1)

= (a²b + 5b)(a - 1)

= {a² × b + 5 × b} (a - 1)

= {b(a² + 5)}(a - 1)

= b(a² + 5)(a - 1)

Therefore the factorisation of a³b - a²b + 5ab - 5b is b(a² + 5)(a -1).

Answer 2

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