document.write( "Question 650800: x^3+125=0 \n" ); document.write( "
Algebra.Com's Answer #407406 by Edwin McCravy(20056)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "x³ + 125 = 0\r\n" );
document.write( " x³ + 5³ = 0\r\n" );
document.write( "(x + 5)(x² - 5x + 25) = 0\r\n" );
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document.write( "x + 5 = 0;  x² - 5x + 25 = 0\r\n" );
document.write( "    x = -5;            x = \"%28-%28-5%29+%2B-+sqrt%28%28-5%29%5E2-4%2A%281%29%2A%2825%29+%29%29%2F%282%2A%281%29%29+\"\r\n" );
document.write( "                       x = \"%285+%2B-+sqrt%2825-100+%29%29%2F2+\"\r\n" );
document.write( "                       x = \"%285+%2B-+sqrt%28-75%29%29%2F2+\"\r\n" );
document.write( "                       x = \"%285+%2B-+i%2Asqrt%2875%29%29%2F2+\"\r\n" );
document.write( "                       x = \"%285+%2B-+i%2Asqrt%2825%2A3%29%29%2F2+\"\r\n" );
document.write( "                       x = \"%285+%2B-+5i%2Asqrt%283%29%29%2F2+\"\r\n" );
document.write( "                       x = \"%285%281+%2B-+i%2Asqrt%283%29%29%29%2F2+\"\r\n" );
document.write( "\r\n" );
document.write( "Three solutions: -5, \"%285%281+%2B+i%2Asqrt%283%29%29%29%2F2+\", \"%285%281+-+i%2Asqrt%283%29%29%29%2F2+\" \r\n" );
document.write( "\r\n" );
document.write( "Edwin
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