Question

If p = -10, find the value of p2 -2p – 100.

Answer 1

-100

Step-by-step explanation:

p=10

then

=p2-2p-100

=(-10)2-2×10-100 (we know that (- , - = +))

= (-10) ×(-10) -20-100

=20-20-100

= -100