Question

solve this
a³+2a²-a-2​

Answer 1

Answer:

Step-by-step explanation:

First we will change position

a³-a+2a²-2

a(a²-1)+2(a²-1)

now

(a²-1)(a+2)is answer

Hope it helps.

Answer 2

Answer:

${a}^{3} + {2a}^{2} - a - 2 \\ {a}^{2} (a + 2) - 1(a + 2) \\ ( {a}^{2} - 1)(a + 2) \\ using \: identity \: {x}^{2} - {y}^{2} = (x + y)(x - y) \\ (a + 1)(a - 1)(a + 2)$

hope it helps✌