Question

Factorise : 2 - a - a²​

Answer 1

Answer:

-a²-a+2

-a²-2a-a+2

-a(a+2)-1(a+2)

(a+2)(-a-1)

Answer 2

Step-by-step explanation:

We can write it as ;

$- {a}^{2} - a + 2 \\ - {a}^{2} - 2a + a + 2 \\ - a(a + 2) + 1(a + 2) \\ (a + 2)( - a + 1) \\ (a + 2)(1 - a)$

I hope this will help you