document.write( "Question 1187055: Find the points of intersection (x,y)of the system of nonlinear equations.
\n" ); document.write( "x^2+y^2=5
\n" ); document.write( "3x-y=5
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Algebra.Com's Answer #818001 by MathLover1(20849)\"\" \"About 
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\n" ); document.write( "\"x%5E2%2By%5E2=5\".........eq.1
\n" ); document.write( "\"3x-y=5\"..............eq.2
\n" ); document.write( "-------------------------------------\r
\n" ); document.write( "\n" ); document.write( "\"3x-y=5\"..............eq.2, solve for \"y\"\r
\n" ); document.write( "\n" ); document.write( "\"3x-5=y\"..............substitute in eq.1\r
\n" ); document.write( "\n" ); document.write( "\"x%5E2%2B%283x-5%29%5E2=5\".........eq.1, solve for \"x\"\r
\n" ); document.write( "\n" ); document.write( "\"x%5E2%2B9x%5E2+-+30x+%2B+25=5\"\r
\n" ); document.write( "\n" ); document.write( "\"10x%5E2+-+30x+%2B+25-5=0\"\r
\n" ); document.write( "\n" ); document.write( "\"10x%5E2+-+30x+%2B+20=0\".........divide by \"10\"\r
\n" ); document.write( "\n" ); document.write( "\"x%5E2+-+3x+%2B+2=0\".........factor\r
\n" ); document.write( "\n" ); document.write( "\"%28x+-+2%29+%28x+-+1%29+=+0\"\r
\n" ); document.write( "\n" ); document.write( "solutions:\r
\n" ); document.write( "\n" ); document.write( "if \"%28x+-+2%29++=+0\"=>\"x=2\"
\n" ); document.write( "if \"++%28x+-+1%29+=+0\"=>\"x=1\"\r
\n" ); document.write( "\n" ); document.write( "go to\r
\n" ); document.write( "\n" ); document.write( "\"3x-y=5\"..............eq.2, substitute \"x=2\"\r
\n" ); document.write( "\n" ); document.write( "\"3%2A2-y=5\"\r
\n" ); document.write( "\n" ); document.write( "\"6-5=y\"\r
\n" ); document.write( "\n" ); document.write( "\"y=1\"\r
\n" ); document.write( "\n" ); document.write( "\"3x-y=5\"..............eq.2, substitute \"x=1\"\r
\n" ); document.write( "\n" ); document.write( "\"3%2A1-y=5\"\r
\n" ); document.write( "\n" ); document.write( "\"3-5=y\"\r
\n" ); document.write( "\n" ); document.write( "\"y=-2\"\r
\n" ); document.write( "\n" ); document.write( "so, solutions to the system are:\r
\n" ); document.write( "\n" ); document.write( "\"x=2\", \"y=1\"\r
\n" ); document.write( "\n" ); document.write( "or\r
\n" ); document.write( "\n" ); document.write( "\"x=1\", \"y=-2\"\r
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