document.write( "Question 1071462: Consider a quadratic function y =-x^2 +6x+c
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Algebra.Com's Answer #686418 by ikleyn(52852)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "  \"-x%5E2+%2B6x%2Bc\" = \r\n" );
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document.write( "= \"%28-x%5E2+%2B+6x%29+%2B+c\" = \r\n" );
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document.write( "= \"%28-x%5E2+%2B+2%2A3%2Ax+-+3%5E2%29\" + \"3%5E2+%2Bc\" = \r\n" );
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document.write( "= \"-%28x%5E2+-2%2A3%2Ax%2B3%5E2%29\" + \"9%2Bc\" = \r\n" );
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document.write( "= \"-%28x-3%29%5E2+%2B+%289%2Bc%29\".\r\n" );
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document.write( "Solved:  h = 3,  k = 9+c.\r\n" );
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