Question

IS x+1 is a factor of x³+1 ?
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Answer 1

Step-by-step explanation:

yes because x³ means x×x×x and

you can gine any power to 1

Answer 2

Answer:

yes

Step-by-step explanation:

$x + 1 = 0 \\ x = - 1 \\ x {}^{3} + 1 \\ = ( - 1) {}^3 + 1 \\ = - 1 + 1 \\ = 0$