document.write( "Question 1074270: please help me solve this equation in vertex form y=-x2+8x-20 \n" ); document.write( "
Algebra.Com's Answer #688962 by josgarithmetic(39617)\"\" \"About 
You can put this solution on YOUR website!
\"y=-x%5E2%2B8x-20\"\r
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\n" ); document.write( "\n" ); document.write( "\"y=-%28x%5E2-8x%2B20%29\"\r
\n" ); document.write( "\n" ); document.write( "\"-%28x%5E2-8x%2B16-16%2B20%29\"\r
\n" ); document.write( "\n" ); document.write( "\"-%28%28x-4%29%5E2%2B20-16%29\"\r
\n" ); document.write( "\n" ); document.write( "\"-%28%28x-4%29%5E2%2B4%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"highlight%28y=-%28x-4%29%5E2-4%29\"\r
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\n" ); document.write( "Term for completing the square, \"%28-8%2F2%29%5E2=16\"
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