document.write( "Question 189972: factor
\n" ); document.write( "27f^3+64
\n" ); document.write( "2x^3+6x^2+x+3
\n" ); document.write( "8m^3-125
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Algebra.Com's Answer #142690 by cutepiscean5(19)\"\" \"About 
You can put this solution on YOUR website!
factor \r
\n" ); document.write( "\n" ); document.write( "1.) \r
\n" ); document.write( "\n" ); document.write( "\"+27f%5E3%2B64+\"
\n" ); document.write( "=> \"+%283f%29%5E3+%2B+%284%29%5E3+\"\r
\n" ); document.write( "\n" ); document.write( "(we will use the formula for \"+a%5E3+%2B+b%5E3+=+%28a+%2B+b%29%28a%5E2+-+ab+%2B+b%5E2%29+\" )\r
\n" ); document.write( "\n" ); document.write( "=> \"+%283f+%2B+4%29%28%283f%29%5E2+-+%283f%29%2A%284%29+%2B+%284%29%5E2%29+\"
\n" ); document.write( "=> \"+highlight%28%283f+%2B+4%29%289f%5E2+-+12f+%2B+16%29%29+\"\r
\n" ); document.write( "\n" ); document.write( "2.) \r
\n" ); document.write( "\n" ); document.write( "\"+2x%5E3%2B6x%5E2%2Bx%2B3+\" (now, we group the first two terms and the last two terms, and take out the common factors from each of them) \r
\n" ); document.write( "\n" ); document.write( "=> \"+2x%5E2%2A%28x%2B3%29+%2B+1%2A%28x%2B3%29+\"
\n" ); document.write( "=> \"+highlight%28%28x%2B3%29%282x%5E2+%2B+1%29%29+\"\r
\n" ); document.write( "\n" ); document.write( "3.)\r
\n" ); document.write( "\n" ); document.write( "\"+8m%5E3-125+\" (this can be expressed as perfect cubes of 2m and 5)
\n" ); document.write( "=> \"+%282m%29%5E3+-+%285%29%5E3+\"
\n" ); document.write( "=> \"+%282m+-+5%29%28%282m%29%5E2+%2B+%282m%29%2A%285%29+%2B+%285%29%5E2%29+\"
\n" ); document.write( "(we have used the formula for \"+a%5E3+-+b%5E3+=+%28a+-+b%29%28a%5E2+%2B+ab+%2B+b%5E2%29+\" )
\n" ); document.write( "=> \"+highlight%28%282m+-+5%29%284m%5E2+-+10m+%2B+25%29%29+\"\r
\n" ); document.write( "\n" ); document.write( "Hope this helps you.
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