document.write( "Question 886347: if 'n' is odd, then prove that (x + 1) is a factor of x^n + 1 \n" ); document.write( "
Algebra.Com's Answer #535877 by rothauserc(4718)\"\" \"About 
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if x+1 is a factor of x^n+1, then x = -1 is a zero of x^n+1
\n" ); document.write( "we are given that n is odd so x^n will be -1 and x^n+1 = 0 with x = -1
\n" ); document.write( "therefore x+1 is a factor of x^n+1
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