Question

a³+a-6a²-6. find the factorisation​

Answer 1

Answer:

a^3+a-6a^2-6

a(a^2+1)-6(a^2+1)

(a-6)(a^2-1)

(a-6)(a-1)(a+1) since a^2-b^2=(a-b)(a+b)