document.write( "Question 1210271: If x(x - 3) = - 1, then the value of x³(x³ - 18) will be \n" ); document.write( "

Algebra.Com's Answer #851798 by Edwin McCravy(20060) $\"\"$ $\"About$

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document.write( "Cube both sides:\r\n" );
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document.write( "eq. 1 \r\n" );
document.write( "eq. 2 \r\n" );
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document.write( "Go back to \r\n" );
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document.write( "If we multiply both sides by -9 we'll have the two middle terms of the 2nd\r\n" );
document.write( "factor on the left side of eq. (2)\r\n" );
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document.write( "Let's add the other two terms of the 2nd factor on the left of eq. (2) to both\r\n" );
document.write( "sides:\r\n" );
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document.write( "Multiply both sides by \r\n" );
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document.write( "Since the left side = -1 by eq. 1, the right side also = -1.\r\n" );
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document.write( "Edwin

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