document.write( "Question 170041: Solve the non-linear system of equations. Give Exact Values:\r
\n" ); document.write( "\n" ); document.write( "\"x%5E2%2By%5E2=25\"
\n" ); document.write( "\"3x%5E2%2B2y%5E2=59\"
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Algebra.Com's Answer #125506 by ankor@dixie-net.com(22740)\"\" \"About 
You can put this solution on YOUR website!
\"x%5E2%2By%5E2=25\"
\n" ); document.write( "\"3x%5E2%2B2y%5E2=59\"
\n" ); document.write( ":
\n" ); document.write( "Multiply the 1st equation by 2 and subtract from the 2nd equation:
\n" ); document.write( "\"3x%5E2%2B2y%5E2=59\"
\n" ); document.write( "\"2x%5E2%2B2y%5E2=50\"
\n" ); document.write( "--------------------subtraction eliminates y^2
\n" ); document.write( "x^2 = 9
\n" ); document.write( "x = \"sqrt%289%29\"
\n" ); document.write( "x = +/-3
\n" ); document.write( ":
\n" ); document.write( "Find y
\n" ); document.write( "\"3%5E2%2By%5E2=25\"
\n" ); document.write( "\"9%2By%5E2=25\"
\n" ); document.write( "\"y%5E2=25-9\"
\n" ); document.write( "y^2 = 16
\n" ); document.write( "y = \"sqrt%2816%29\"
\n" ); document.write( "y = +/-4
\n" ); document.write( ":
\n" ); document.write( ":
\n" ); document.write( "Check solutions in 2nd equation
\n" ); document.write( "\"3%289%29%2B2%2816%29=59\"
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