document.write( "Question 490818: Multiply (xy-7)(xy-5) \n" ); document.write( "
Algebra.Com's Answer #334324 by jim_thompson5910(35256)\"\" \"About 
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\n" ); document.write( "\n" ); document.write( "\"%28xy-7%29%28xy-5%29\" Start with the given expression.\r
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\n" ); document.write( "\n" ); document.write( "Now let's FOIL the expression.\r
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\n" ); document.write( "\n" ); document.write( "Remember, when you FOIL an expression, you follow this procedure:\r
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\n" ); document.write( "\n" ); document.write( "\"%28highlight%28xy%29-7%29%28highlight%28xy%29-5%29\" Multiply the First terms:\"%28xy%29%28xy%29=xy%5E2\".\r
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\n" ); document.write( "\n" ); document.write( "\"%28highlight%28xy%29-7%29%28xy%2Bhighlight%28-5%29%29\" Multiply the Outer terms:\"%28xy%29%28-5%29=-5xy\".\r
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\n" ); document.write( "\n" ); document.write( "\"%28xy%2Bhighlight%28-7%29%29%28highlight%28xy%29-5%29\" Multiply the Inner terms:\"%28-7%29%28xy%29=-7xy\".\r
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\n" ); document.write( "\n" ); document.write( "\"%28xy%2Bhighlight%28-7%29%29%28xy%2Bhighlight%28-5%29%29\" Multiply the Last terms:\"%28-7%29%28-5%29=35\".\r
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\n" ); document.write( "\n" ); document.write( "So we have the terms: \"xy%5E2\", \"-5xy\", \"-7xy\", \"35\" \r
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\n" ); document.write( "\n" ); document.write( "\"xy%5E2-5xy-7xy%2B35\" Now add every term listed above to make a single expression.\r
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\n" ); document.write( "\n" ); document.write( "\"xy%5E2-12xy%2B35\" Now combine like terms.\r
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\n" ); document.write( "\n" ); document.write( "So \"%28xy-7%29%28xy-5%29\" FOILs to \"xy%5E2-12xy%2B35\".\r
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\n" ); document.write( "\n" ); document.write( "In other words, \"%28xy-7%29%28xy-5%29=xy%5E2-12xy%2B35\".
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