Question

What is the value of polynomial X^2-X-1 at x = -1.​

Answer 1

Step-by-step explanation:

put x=-1

x^2-x-1

=(-1)^2-(-1)-1

=1+1-1

=1

Answer 2

Answer:-        

As x= -1

We will put the value of x that is (-1) in the given polynomial:

p(x) = x^2 - x - 1

p(-1) = ( -1 )^2 - ( -1 ) - 1

p(-1) = -2 +1 - 1

p(-1) = -2

Hence, the answer = -2