document.write( "Question 852954: find all the solutions to the equation -2x^3 -3x^2 +5x+6=0\r
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Algebra.Com's Answer #513779 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( "-2x^3 -3x^2 +5x+6=0     |Find one root by trial and error: x = 1 NO, x = -1 YES!!
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document.write( "Using that root to find others with Synthetic Division:
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document.write( "	-2	-3	5	6
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document.write( "		2	1	-6
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document.write( "	-2	-1	6	0
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document.write( " = (-2x^2 -x + 6) = 0   
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document.write( " (-2x^2 -x + 6) = 0    Factor
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document.write( " (-2x +3)(x +2)= 0 
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document.write( " (-2x +3)= 0,  x = 3/2
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document.write( "   (x +2)= 0,  x = -2
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document.write( "Roots:  x = -2, -1, 1.5
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