document.write( "Question 478860: We are given a polynomial equation and one or more of its roots. Find the remaining roots. \"x%5E4%2B3x%5E3-3x%5E2%2B3x-4=0\" Roots are x=-4 and x=1 \n" ); document.write( "
Algebra.Com's Answer #328117 by ewatrrr(24785)\"\" \"About 
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document.write( "Hi,
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document.write( "Using synthetic division: roots are: 1,-4, i,-i\r
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document.write( "x^4+3x^3-3x^2 +3x-4)/(x-1) = x^3 + 4x^2 + x + 4\r
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document.write( "1	1	3	-3	3	-4
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document.write( "		1	4	1	4
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document.write( "	1	4	1	1	0\r
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document.write( "(x^3 + 4x^2 + x + 4)/(x+4) = x^2+1, x^2+1 = 0 , x = ± i
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document.write( "-4	1	4	1	4
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document.write( "		-4	0	-4
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document.write( "	1	0	1	0
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