document.write( "Question 426461: what are the zeros in 3x^4+4x^3-21x^2-10x+24 \n" ); document.write( "

Algebra.Com's Answer #296684 by ewatrrr(24785) $\"\"$ $\"About$

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document.write( "Hi
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document.write( "what are the zeros in 
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document.write( " 3x^4+4x^3-21x^2-10x+24     |If x = 1 then 3+4-21+24 = 0
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document.write( "dividing the above by (x-1)results in:
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document.write( " 3x^3+7x^2-14x-24             |If x = 2 then 24+28-28-24 = 0
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document.write( "dividing the above by (x-2)results in:
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document.write( " 3x^2 + 13x +12
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document.write( "factoring
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document.write( " (3x+4)(x+3)=0
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document.write( " (3x+4)= 0  x = -4/3
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document.write( "  (x+3)=0   x = -3
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document.write( "the 4 'zeros' for x are: -3,-4/3,1,2 \n" );
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