document.write( "Question 623909: Witch polynomial has (x+4) as a factor \n" ); document.write( "
Algebra.Com's Answer #392397 by ewatrrr(24785)\"\" \"About 
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\n" ); document.write( "Hi
\n" ); document.write( "polynomial f(x) with (x+4) as a factor ⇒ f(-4) = 0
\n" ); document.write( "The factor theorem states that a polynomial f(x) has a factor (x − k) if and only if f(k) = 0. \n" ); document.write( "
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