document.write( "Question 45514: (3a - 5)^2
\n" ); document.write( "=(3a)^2 + 5(3a)(-5)+ (-5)^2
\n" ); document.write( "=9^2 - 30a + 25
\n" ); document.write( "where in this equation does the 30a come from? \n" ); document.write( "

Algebra.Com's Answer #30249 by adamchapman(301) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"%283a+-+5%29%5E2\"$
\n" ); document.write( " $\"%283a-5%29%283a-5%29\"$
\n" ); document.write( "Use FOIL: (get the product of the firsts, then add the product of the outers, then add the product of the inners and then add the product of the lasts:)
\n" ); document.write( " $\"%283a-5%29%283a-5%29=9a%5E2-15a-15a%2B25\"$
\n" ); document.write( "The answer is:
\n" ); document.write( " $\"9a%5E2-30a%2B25\"$ \r
\n" ); document.write( "\n" ); document.write( "I hope this helps.
\n" ); document.write( "Adam
\n" ); document.write( "P.S. please visit my website, I only set it up last week and it may be of use to you. The address is http://geocities.com/quibowibbler\r
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