document.write( "Question 118369This question is from textbook Barrons Math The Easy Way
\n" ); document.write( ": 3n^2 - 4m if n = -2 and m = 5 \n" ); document.write( "
Algebra.Com's Answer #86483 by jim_thompson5910(35256)\"\" \"About 
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\"3n%5E2+-+4m\" Start with the given expression\r
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\n" ); document.write( "\n" ); document.write( "\"3%28-2%29%5E2+-+4%285%29\" Plug in \"n+=+-2\" and \"m+=+5\"\r
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\n" ); document.write( "\n" ); document.write( "\"3%284%29+-+4%285%29\" Square -2 to get 4. Remember \"%28-2%29%5E2=%28-2%29%28-2%29=4\"\r
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\n" ); document.write( "\n" ); document.write( "\"12-20\" Multiply 3 and 4 to get 12. Multiply 4 and 5 to get 20.\r
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\n" ); document.write( "\n" ); document.write( "\"-8\" Subtract.\r
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\n" ); document.write( "\n" ); document.write( "So \"3n%5E2+-+4m=-8\" when \"n+=+-2\" and \"m+=+5\"
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