document.write( "Question 758867: Factor x³ + 7x² - x - 7 completely \n" ); document.write( "
Algebra.Com's Answer #461711 by Edwin McCravy(20056)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "x³ + 7x² - x - 7\r\n" );
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document.write( "Factor x² out of the first two terms and -1 out of the last two terms:\r\n" );
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document.write( "x²(x + 7) - 1(x + 7)\r\n" );
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document.write( "Factor (x + 7) of of the two terms:\r\n" );
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document.write( "(x + 7)(x² - 1)\r\n" );
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document.write( "Factor the second parentheses as the difference of two squares:\r\n" );
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document.write( "(x + 7)(x - 1)(x + 1)\r\n" );
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document.write( "Edwin
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