document.write( "Question 1001170: How do you find the real-number solutions to the equation 3s^3+15s^2+12s=-60? \n" ); document.write( "
Algebra.Com's Answer #618417 by Edwin McCravy(20060)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "\"3s%5E3%2B15s%5E2%2B12s=-60\"\r\n" );
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document.write( "Divide through by 3\r\n" );
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document.write( "\"s%5E3%2B5s%5E2%2B4s=-20\"\r\n" );
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document.write( "\"s%5E3%2B5s%5E2%2B4s%2B20=0\"\r\n" );
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document.write( "Factor sē out of the first two terms on the left side.\r\n" );
document.write( "Factor +4 out of the last two terms on the left side.\r\n" );
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document.write( "\"s%5E2%28s%2B5%29%2B4%28s%2B5%29=0\"\r\n" );
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document.write( "Factor (s+5) out of both terms on the left side.\r\n" );
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document.write( "\"%28s%2B5%29%28s%5E2%2B4%29=0\"\r\n" );
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document.write( "\"s%2B5=0\"; \"s%5E2%2B4=0\"\r\n" );
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document.write( "\"s=-5\";  \"s%5E2=-4\"\r\n" );
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document.write( "There are no real number square roots of negative numbers, so\r\n" );
document.write( "the equation \"s%5E2=-4\" does not have a real number solution,\r\n" );
document.write( "so the only real number solution is s = -5.\r\n" );
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document.write( "Edwin
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