Question

find the value of m , if x+4 is a factor of polynomial x^2 +3x +m
pls tell in detail​

Answer 1

Step-by-step explanation:

x^2 +3x+m

putting, x =-4 , (Because x+4=0)

(-4)^2 +3×(-4)+m =0

8-12m=0

-12m -8

12m = 8

m = 8 ÷ 12

m = 8/12

m = 2/3 Ans.