Question

find the value of x square + x - 1 at x = -1​

Answer 1

Answer:

x=-1

-1 is not value of x

Step-by-step explanation:

x²+x-1=0

given x=-1.....put in equation

(-1)²+(-1)-1=0

1-1-1=0

-1 is not equal to 0

Answer 2

Answer:

-1

Step-by-step explanation:

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

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

p(-1)=1 -1 -1

p(-1)=1-2

p(-1)=-1

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