document.write( "Question 157009: 54x^3-16y^3 \n" ); document.write( "

Algebra.Com's Answer #115763 by orca(409) $\"\"$ $\"About$

You can put this solution on YOUR website!
Use the following identity to factor it:
\n" ); document.write( " $\"a%5E3-b%5E3=%28a-b%29%28a%5E2%2Bab%2Bb%5E2%29\"$
\n" ); document.write( " $\"54x%5E3-16y%5E3\"$
\n" ); document.write( "= $\"2%2827x%5E3-8y%5E3%29\"$
\n" ); document.write( "= $\"2%28%283x%29%5E3-%282y%29%5E3%29\"$
\n" ); document.write( "= $\"2%283x-2y%29%28%283x%29%5E2%2B%283x%29%282y%29%2B%282y%29%5E2%29\"$
\n" ); document.write( "= $\"2%283x-2y%29%289x%5E2%2B6xy%2B4y%5E2%29\"$
\n" ); document.write( " \n" ); document.write( "

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