document.write( "Question 185546: (7x-8)^2 \n" ); document.write( "
Algebra.Com's Answer #139197 by jim_thompson5910(35256)\"\" \"About 
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\n" ); document.write( "\n" ); document.write( "\"%287x-8%29%5E2\" Start with the given expression.\r
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\n" ); document.write( "\n" ); document.write( "\"%287x-8%29%287x-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%287x%29-8%29%28highlight%287x%29-8%29\" Multiply the First terms:\"%287%2Ax%29%2A%287%2Ax%29=49%2Ax%5E2\".\r
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\n" ); document.write( "\n" ); document.write( "\"%28highlight%287x%29-8%29%287x%2Bhighlight%28-8%29%29\" Multiply the Outer terms:\"%287%2Ax%29%2A%28-8%29=-56%2Ax\".\r
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\n" ); document.write( "\n" ); document.write( "\"%287x%2Bhighlight%28-8%29%29%28highlight%287x%29-8%29\" Multiply the Inner terms:\"%28-8%29%2A%287%2Ax%29=-56%2Ax\".\r
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\n" ); document.write( "\n" ); document.write( "\"%287x%2Bhighlight%28-8%29%29%287x%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( "So we have the terms: \"49%2Ax%5E2\", \"-56%2Ax\", \"-56%2Ax\", and \"64\" \r
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\n" ); document.write( "\n" ); document.write( "\"49%2Ax%5E2-56%2Ax-56%2Ax%2B64\" Now add every term listed above to make a single expression.\r
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\n" ); document.write( "\n" ); document.write( "\"49%2Ax%5E2-112%2Ax%2B64\" Now combine like terms.\r
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\n" ); document.write( "\n" ); document.write( "So \"%287x-8%29%5E2\" FOILs to \"49%2Ax%5E2-112%2Ax%2B64\".\r
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\n" ); document.write( "\n" ); document.write( "In other words, \"%287x-8%29%5E2=49%2Ax%5E2-112%2Ax%2B64\".
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