Question

find the value of a for which (x+a) is a factor of the polynomial f (x) =x^3+ax^2-2x+a+6​

Answer 1

Answer:

x+a=0

x=-a

(-a)³+a(-a)²-2(-a)+a+6=0

-a+a+2a+a+6=0

3a+6=0

3a=-6

a=-2

hope it helps you

please mark as brainlist

and please follow me

Answer 2

• Above attached picture will help you out through this question.

• May this solution be marked BRAINLIEST !!