Question

check whether x+1 is a factor of the polynomial x power 3+x power2+x+1

Answer 1

using factor theorem

Answer 2

P(x) =x³ + x² + x + 1=0
x+1=0
P(-1)=(-1)³ + (-1)² + (-1) +1=0
= -1 + 1 - 1 +1 =0
0=0
Therefore x+1 is the factor of polynomial.


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