Question

Evaluate -x2 +x–1 forx=-1

Answer 1

0

Explanation:

the equation after plugging in "x" is

-(-1)*(2)+(-1)-1

then after multiplication it is

2-1-1

this becomes 0

Answer 2

-3

Explanation:

-x^2 +x–1

Let x = -1

- (-1)^2 + (-1) -1

- 1 -1 -1

-3