Question

If a² + a + 1=0, find the value of 1 - a -a².​

Answer 1

2

Explanation:

Given: a² +a +1= 0

Bringing a terms to the right-hand side:

1= -a² -a

-a² -a= 1

-a -a²= 1

1 -a -a²

= (-a -a²) +1

= 1 +1

= 2