document.write( "Question 446392: Hi, can someone please help me solve the following...\r
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document.write( "x^2 + y^2 = 14,
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document.write( "x^2 - y^2 = 4 \n" );
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Algebra.Com's Answer #307425 by stanbon(75887) ![]() You can put this solution on YOUR website! x^2 + y^2 = 14, \n" ); document.write( "x^2 - y^2 = 4 \n" ); document.write( "-------------- \n" ); document.write( "Add and solve for \"x^2\": \n" ); document.write( "2x^2 = 18 \n" ); document.write( "x^2 = 9 \n" ); document.write( "x = +3 or x = -3 \n" ); document.write( "--- \n" ); document.write( "If x = +3 or -3 solve for \"y\": \n" ); document.write( "y^2 = 14-9 \n" ); document.write( "y^2 = 5 \n" ); document.write( "y = sqrt(5) or y = -sqrt(9) \n" ); document.write( "---- \n" ); document.write( "Ans: (3,sqrt(5))or (-3,sqrt(5)) or (3,-sqrt(5)) or (-3,-sqrt(5)) \n" ); document.write( "===================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "===================== \n" ); document.write( " |