document.write( "Question 327109: solve.
\n" ); document.write( "X^2+Y^2=16
\n" ); document.write( "Y^2=x+4
\n" ); document.write( "list the solutions.\r
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\n" ); document.write( "\n" ); document.write( "thank you for the help!!
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Algebra.Com's Answer #234278 by Alan3354(69443)\"\" \"About 
You can put this solution on YOUR website!
solve.
\n" ); document.write( "X^2+Y^2=16
\n" ); document.write( "Y^2=x+4
\n" ); document.write( "y^2 - x - 4 = 0
\n" ); document.write( "----------- subtract 2 from 1
\n" ); document.write( "\"x%5E2+%2B+x+-+12+=+0\"
\n" ); document.write( "(x+4)*(x-3) = 0
\n" ); document.write( "x = -4
\n" ); document.write( "y = 0
\n" ); document.write( "--> (-4,0)
\n" ); document.write( "--------
\n" ); document.write( "x = +3
\n" ); document.write( "y = +/- sqrt(7)
\n" ); document.write( "--> (3,sqrt(7)) & (3,-sqrt(7))
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