Question

If (x+2) is factor of x³+9x²+mx-24 than find the value of m​

Answer 1

Answer:

m=2

Step-by-step explanation:

f(x)=x3+9x2+mx-24

by factor theorem,

if (x+2) is factor of f(x),

f(-2)=0

->-8+36-2m-24=0

->4-2m=0

->2m=4

->m=2