Question

Find P(2) for p(X)=(X+1)(x-1)

Answer 1

Answer:

p(x) = ( x+1 ) ( x-1 )

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

p(2) = ( 3 ) ( 1 )

p( 2 ) = 3

hence 3 is the answer