document.write( "Question 733704: i need to know how to get y^2-12y-x^2-2x= -31 in standard form
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Algebra.Com's Answer #448554 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! y^2-12y-x^2-2x= -31 in standard form \n" ); document.write( "----- \n" ); document.write( "Complete the square on the x-terms and on the y-terms. \n" ); document.write( "---- \n" ); document.write( "y^2 - 12y + (12/2)^2 - (x^2 + 2x + (2/2)^2) = -31 + (12/2)^2 - (2/2)^2 \n" ); document.write( "----- \n" ); document.write( "Factor: \n" ); document.write( "(y-6)^2 - (x+1)^2 = 4 \n" ); document.write( "------ \n" ); document.write( "[(y-6)^2 / 4] - [(x+1)^2/ 4] = 1 \n" ); document.write( "======================= \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "======================= \n" ); document.write( " |