Question

find the value of polynomial x2 +2x+5 when x= -1 and x=a​

Answer 1

Step-by-step explanation:

(-1)² + 2 (-1) + 5

1 - 2 + 5

-1 + 5

- 4

Answer 2

Step-by-step explanation:

When x=-1,

p(-1)=(-1)²+2(-1)+5

=1-2+5

=4.

When x=a

p(a)=(a)²+2(a)+5

=a²+2a+5