Question

Factorise the Sum.
a^3b-a^2b+5ab-5b

Answer 1

THE ANSWER:

$a^{3} b - a^{2}b + 5ab-5b$

$b(a^{3} -a^{2} +5a-5)$

$b(a^{2}(a-1)+5(a-1))$

$b(a^{2} +5)(a-1)$

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