Question

find the value of M if X + 4 is a factor of the polynomial X square + 3 X + m​

Answer 1

Answer:

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