Question

(p-4)^2

Answer 1

p2−8p+16

Answer 2

(p-4)(p-4)

FOIL -- first,outside,inside,last
F -- multiply first terms in each set.....p * p = p^2
O -- multiply outside terms in each set...p * -4 = -4p
I -- multiply inside terms in each set...-4 * p = -4p
L -- multiply last terms in each set...-4 * -4 = 16
put it all together...
p^2 - 8p + 16

Answer 3

Thanks!