Question

if f(x) =x^2-x then f(x-1)-f(x+1) is​

Answer 1

Answer:

= -2

Step-by-step explanation:

f(x) = x^2-x

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

f(x+1) = (x^2-x +1 )

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

= x^2-x-1-x^2+x-1

= - 2

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