Question

Find the value of the polynomial x² + x for x= 1 *​

Answer 1

expression is 1 at x=-1.

Step-by-step explanation:

Given : Polynomial x^2-x-1x2−x−1 at x=-1.

To find : The value of polynomial ?

Solution :

The polynomial is P(x)=x^2-x-1P(x)=x2−x−1

Substitute the value x=-1,

P(-1)=(-1)^2-(-1)-1P(−1)=(−1)2−(−1)−1

P(-1)=1+1-1P(−1)=1+1−1

P(-1)=1P(−1)=1

Therefore, the value of the expression is 1 at x=-1.

Step-by-step explanation:

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Answer 2

Answer:

The answer is 2

Step-by-step explanation:

Substituting the value of x=1

x2+x

(1)2+(1)

=1+1

=2

Therefore, the value of polynomial is 2