document.write( "Question 147738: find the product
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\n" ); document.write( "\n" ); document.write( "a)81x^2+64
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\n" ); document.write( "c)9x^2-144x+64
\n" ); document.write( "d)81x^2-144x+64
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Algebra.Com's Answer #108120 by jim_thompson5910(35256)\"\" \"About 
You can put this solution on YOUR website!
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\n" ); document.write( "\n" ); document.write( "\"%289x-8%29%5E2\" Start with the given expression.\r
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\n" ); document.write( "\n" ); document.write( "\"%289x-8%29%289x-8%29\" Expand. Remember something like \"x%5E2=x%2Ax\".\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%289x%29-8%29%28highlight%289x%29-8%29\" Multiply the First terms:\"%289%2Ax%29%2A%289%2Ax%29=81%2Ax%5E2\".\r
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\n" ); document.write( "\n" ); document.write( "\"%28highlight%289x%29-8%29%289x%2Bhighlight%28-8%29%29\" Multiply the Outer terms:\"%289%2Ax%29%2A%28-8%29=-72%2Ax\".\r
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\n" ); document.write( "\n" ); document.write( "\"%289x%2Bhighlight%28-8%29%29%28highlight%289x%29-8%29\" Multiply the Inner terms:\"%28-8%29%2A%289%2Ax%29=-72%2Ax\".\r
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\n" ); document.write( "\n" ); document.write( "\"%289x%2Bhighlight%28-8%29%29%289x%2Bhighlight%28-8%29%29\" Multiply the Last terms:\"%28-8%29%2A%28-8%29=64\".\r
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\n" ); document.write( "\n" ); document.write( "\"81%2Ax%5E2-72%2Ax-72%2Ax%2B64\" Now collect every term to make a single expression.\r
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\n" ); document.write( "\n" ); document.write( "\"81%2Ax%5E2-144%2Ax%2B64\" Now combine like terms.\r
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\n" ); document.write( "\n" ); document.write( "So \"%289x-8%29%5E2\" FOILS to \"81%2Ax%5E2-144%2Ax%2B64\".\r
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\n" ); document.write( "\n" ); document.write( "In other words, \"%289x-8%29%5E2=81%2Ax%5E2-144%2Ax%2B64\".
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