document.write( "Question 118599: express as a trinomial: (2a-3)(a+5)= \n" ); document.write( "
Algebra.Com's Answer #86719 by jim_thompson5910(35256)\"\" \"About 
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\n" ); document.write( "\n" ); document.write( "\"%282a-3%29%28a%2B5%29\" Start with the given 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%282a%29-3%29%28highlight%28a%29%2B5%29\" Multiply the First terms:\"%282a%29%2A%28a%29=2a%5E2\"\r
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\n" ); document.write( "\n" ); document.write( "\"%28highlight%282a%29-3%29%28a%2Bhighlight%285%29%29\" Multiply the Outer terms:\"%282a%29%2A%285%29=10a\"\r
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\n" ); document.write( "\n" ); document.write( "\"%282a%2Bhighlight%28-3%29%29%28highlight%28a%29%2B5%29\" Multiply the Inner terms:\"%28-3%29%2A%28a%29=-3a\"\r
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\n" ); document.write( "\n" ); document.write( "\"%282a%2Bhighlight%28-3%29%29%28a%2Bhighlight%285%29%29\" Multiply the Last terms:\"%28-3%29%2A%285%29=-15\"\r
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\n" ); document.write( "\n" ); document.write( "\"2a%5E2%2B10a-3a-15\" Now collect every term to make a single expression\r
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\n" ); document.write( "\n" ); document.write( "\"2a%5E2%2B7a-15\" Now combine like terms\r
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\n" ); document.write( "\n" ); document.write( "Answer:\r
\n" ); document.write( "\n" ); document.write( "So \"%282a-3%29%28a%2B5%29\" foils and simplifies to \"2a%5E2%2B7a-15\"\r
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\n" ); document.write( "\n" ); document.write( "In other words, \"%282a-3%29%28a%2B5%29=2a%5E2%2B7a-15\"\r
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