Question

Find a if x + a is a factor of x^3+ax^2-2x+a+4

Answer 1

Answer:

a= -4/3

Step-by-step explanation:

refer the attachment for better understanding and plz follow me and Mark my answer the brainliast answer

hope it helps you

Answer 2

Answer:

-4/3

Step-by-step explanation:

given, x+a is factor of polynomial x^3+ax^2-2x+a+4.

x+a=0,then x=-a

hence,-a is the zero of the given polynomial

p(-a)=(-a)^3+a(-a)^2-2(-a)+a+4=0

=>(-a)^3+a(a)^2+2a+a+4=0

=>(-a)^3+(a)^3+3a+4=0

=>3a+4=0

=>3a=-4

=>a=-4/3

therefore:-a=-4/3