Question

4. The value of p(x ) = (x-1) (x+1) for p(-2) is:
(a) 1
(b) 2
(c) o
(d) 3​

Answer 1

Answer:

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

=(-3)(-1)

=(3)

Answer 2

Answer:

3

Step-by-step explanation:

=(x-1) (x+1)

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

=(-2)^2-1

=4-1

=3