document.write( "Question 601469: If f(x)= -4x^2+12x-9 and g(x)= -9-3x+x^2,find 6f(1/2)-2g(2). Please show me step by step. \n" ); document.write( "
Algebra.Com's Answer #379785 by jim_thompson5910(35256)\"\" \"About 
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\"f%28x%29=+-4x%5E2%2B12x-9\"\r
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\n" ); document.write( "\n" ); document.write( "\"f%281%2F2%29=+-4%281%2F2%29%5E2%2B12%281%2F2%29-9\"\r
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\n" ); document.write( "\n" ); document.write( "\"f%281%2F2%29=+-4%281%2F4%29%2B12%281%2F2%29-9\"\r
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\n" ); document.write( "\n" ); document.write( "\"f%281%2F2%29=+-4%2F4%2B12%2F2-9\"\r
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\n" ); document.write( "\n" ); document.write( "\"f%281%2F2%29=+-1%2B6-9\"\r
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\n" ); document.write( "\n" ); document.write( "\"f%281%2F2%29=+-4\"\r
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\n" ); document.write( "\n" ); document.write( "\"g%28x%29+=+-9-3x%2Bx%5E2\"\r
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\n" ); document.write( "\n" ); document.write( "\"g%282%29+=+-9-3%282%29%2B%282%29%5E2\"\r
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\n" ); document.write( "\n" ); document.write( "\"g%282%29+=+-9-3%282%29%2B4\"\r
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\n" ); document.write( "\n" ); document.write( "\"g%282%29+=+-9-6%2B4\"\r
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\n" ); document.write( "\n" ); document.write( "\"g%282%29+=+-11\"\r
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\n" ); document.write( "\n" ); document.write( "\"6%2Af%281%2F2%29+-+2%2Ag%282%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"6%2A%28-4%29+-+2%2A%28-11%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"-24+%2B+22\"\r
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\n" ); document.write( "\n" ); document.write( "\"-2\"\r
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\n" ); document.write( "\n" ); document.write( "So \"6%2Af%281%2F2%29+-+2%2Ag%282%29=-2\"
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