document.write( "Question 1174996: Hi. I need help with first factoring and then solving this polynomial:
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Algebra.Com's Answer #800519 by ikleyn(52817) $\"\"$ $\"About$

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document.write( "To factor this polynomial, apply the grouping method\r\n" );
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document.write( "    x^3 - 5x^2 - 4x + 20 = (x^3 - 5x^2) - (4x-20) = x^2(x - 5) - 4(x-5) = \r\n" );
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document.write( "  = (x^2-4)*(x-5) = (x-2)*(x+2)*(x-5).\r\n" );
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document.write( "Factoring is complete.\r\n" );
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document.write( "The roots are  x= -2, 2, 5.\r\n" );
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