Question

Let f(x)=x²-x then f(x-1)-f(x+1)​

Answer 1

Answer:

given f(x)= x²-x

f(x+1)=(x+1)²-(x+1)

= x²+1+2x-x+1

=x²+x+2

f(x-1) =(x-1)²-(x-1)

=x²+1-2x-x+1

= x²-3x+2

f(x-1) - f(x+1) = x²-3x+2 - (x²+x+2)

= -4x

Step-by-step explanation:

may be the required answer