document.write( "Question 1017814: Hi, I have forgotten the formula and reason for factorising eg. x^3 -8.
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Algebra.Com's Answer #634021 by josgarithmetic(39617) $\"\"$ $\"About$

You can put this solution on YOUR website!
Try using polynomial division if you do not have the formula already memorized for Difference of Cubes.\r
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\n" ); document.write( "\n" ); document.write( "You want some factor being cubed OR two factors to give you 8.\r
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document.write( "             x^2      2x         4\r\n" );
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document.write( "      ----------------------------------------------------\r\n" );
document.write( "x-2   |      x^3      0*x^2       0*x      -8\r\n" );
document.write( "      |      x^3      -2x^2\r\n" );
document.write( "             ---------------\r\n" );
document.write( "              0      2x^2        0*x\r\n" );
document.write( "                     2x^2        -4x\r\n" );
document.write( "                    -----------------\r\n" );
document.write( "                       0        4x         -8\r\n" );
document.write( "                                4x         -8\r\n" );
document.write( "                               ----------------\r\n" );
document.write( "                                 0         0\r\n" );
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