Question

find the value of m, if x+4 is a factor of the polynomial x²+3x+4m.​

Answer 1

Answer:

m=−4

Step-by-step explanation:

x+4 is factor of x  

2

+3x+m

x+4=0

x=−4 is zero of polynomial

Put it in polynomial

(−4)  

2

+3(−4)+m=0

16−12+m=0

m=−4

Answer 2

Answer:

-1

Step-by-step explanation:

x+4=0

x=-4

x²+3x+4m

=(-4)²+3(-4)+4m

16-12 +4m

4+4m

4m =-4

m=-4/4

m=-1