document.write( "Question 876350: f(x)=x^4+x^3-3x^2-7x-4 has one rational root.\r
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\n" ); document.write( "\n" ); document.write( "*I'd do this myself but I don't own a graphing calculator \n" ); document.write( "

Algebra.Com's Answer #528724 by ewatrrr(24785) $\"\"$ $\"About$

You can put this solution on YOUR website!

 
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document.write( "Hi
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document.write( "x = -1 is a root (that one can do in one's head at least :)
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document.write( "Using synthetic divis1on
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document.write( "-1	1	1	-3	-7	-4
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document.write( "		-1	0	3	4
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document.write( "	1	0	-3	-4	0
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document.write( "       (x^3 - 3x - 4) (Using solver)\r
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document.write( "  x = -1,  2.196,  1.098+.785i, 1.098-.785i \n" );
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