Question

Find the value of a if (x+2) is a factor of x^3+3x^2+4x+a

Answer 1

Answer:

Here is your answer..

Step-by-step explanation:

f(-2)=0

-2^3 + 3×(-2)^2 + 4×-2 + a =0

-9 + 3×4 + -8 + a=0

-9+12-8+a=0

-5+a=0

a=5.