Question

(Chapter Algeria)
Question: Factorise a3+a2-a-1 (explain and slove)

Answer 1

hey mate....

here is ur answer.. hope it helps...

Answer 2

Answer:

(a + 1)(a2 - 1)

Step-by-step explanation:

a3 + a2 - a - 1

a2(a + 1) - 1(a + 1)

(a + 1)(a2 - 1).

you can solve it further by using the formulae : (a2 - b2)