Question

f(x)=x²-x then f(x-1) - f(x+1)=​

Answer 1

Let's simplify step-by-step.

f(x-1)-f(x+1)

Distribute:

= (f)(x)+(f)(-1)+-fxt

=fx+-+-fx+-f

Combine Like Terms:

=fx+-+-fx+-f

=(fx+-fx)+(-f+-f)

=-2f