Question

find the value of M if X + 4 is a factor of polynomial X ^ 2 + 3 X + n​

Answer 1

Answer:

value of m= - 4

Step-by-step explanation:

first we have to factorise the given poynomial by taking (x+4) as a common factor

x^2+3x+m

x^2+4x-x-4

x(x+4) - 1 (x+4)

(x+4) (x-1)