document.write( "Question 201820: Solve the system of equations:\r
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document.write( "{ y + 4x = x^2
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document.write( " y + x^2 + 8 = 6x\r
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Algebra.Com's Answer #152060 by RAY100(1637)![]() ![]() ![]() You can put this solution on YOUR website! (1) y+4x = x^2,,,,,,,y = x^2 -4x \n" ); document.write( ". \n" ); document.write( "(2) y+x^2 +8 =6x,,,,,y = -x^2 +6x -8 \n" ); document.write( ". \n" ); document.write( "Set (1) =(2) \n" ); document.write( ". \n" ); document.write( "x^2 -4x = -x^2 +6x -8 \n" ); document.write( ". \n" ); document.write( "2x^2 -10x +8 =0 \n" ); document.write( ". \n" ); document.write( "2(x^2 -5x +4) =0 \n" ); document.write( "(x-4)(x-1)=0 \n" ); document.write( ". \n" ); document.write( "x= 4, 1 \n" ); document.write( ". \n" ); document.write( "in(1) y+4(4) = (4)^2,,,,y=0,,,,,(4,0) \n" ); document.write( ". \n" ); document.write( "y+4(1) = (1)^2,,,,y=-3,,,,,,,,,,,(1,-3) \n" ); document.write( ". \n" ); document.write( "check,,,(1) 0+16=16,,,ok,,,,,,-3 +4 = 1,,,,,ok \n" ); document.write( "(2) 0+16 +8 =24,,,,,ok,,,,,, -3 + 1 +8 =6,,,,ok,,,,,, \n" ); document.write( " \n" ); document.write( " |