document.write( "Question 130765: Solve by completing the square.\r
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document.write( "x^2 +2x - 63 = 0\r
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document.write( "I got (7, -9) which doesn't appear to be correct. Can you help me? \n" );
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Algebra.Com's Answer #95474 by edjones(8007)![]() ![]() You can put this solution on YOUR website! x^2+2x-63=0 \n" ); document.write( "x^2+2x =63 \n" ); document.write( "x^2+2x+1=63+1 \n" ); document.write( "(x+1)^2=64 \n" ); document.write( "x+1=+-8 \n" ); document.write( "x=-1+-8 \n" ); document.write( "x=-9, x=7 \n" ); document.write( ". \n" ); document.write( "ur correct \n" ); document.write( ". \n" ); document.write( "Ed \n" ); document.write( " \n" ); document.write( " |