Question

determine (x+1) is a factor of x³+x²+x+1​

Answer 1

Answer:

x+1=0

Therefore,

x= -1

x³-x²-x+1

=> (-1)³-(-1)²-(-1)+1

=> -1-(+1)+1+1

=> -1-1+1+1

=> -2+2[Minus two(-2) and plus two (+2) gets cancelled]

Hence (x+1) is a factor

Answer 2

Answer:

yes

Step-by-step explanation:

according to factor theorem of x+a is factor of f(x) then f(-a) is zero(0)

-1+1-1+1=0