Question

if x=-3 then x2+7x+12​

Answer 1

Answer:

-3 (2)+ 7×(-3) + 12

=-6 - 21+12

=-27+12

=-15

Answer 2

Answer:

put value of x that is (-3) in Above polynomial

Step-by-step explanation:

P(x) = x2+7x+12

P(-3) = (-3)2+7(-3)+12

= -6-21+12

= -15 Answer