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1 vote
The factors of x² + x² +1 are

a) (x² + x + 1) (x²-x-1)
b) (x²-x + 1) (x² + x + 1)
c) (x-1) (x² + 1)
d) none of these​

1 Answer

4 votes
d) you add x^2 and x^2 and you’ll get 2x^2+1