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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document.write( "(___, ___) (___, ___) (___, ___) \n" );
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Algebra.Com's Answer #152052 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! y + 4x = x^2 \n" ); document.write( "y + x^2 + 8 = 6x \n" ); document.write( "--------------- \n" ); document.write( "y + 4x = x^2 --> y = x^2 - 4x \n" ); document.write( "Sub for y into 2nd eqn \n" ); document.write( "x^2-4x + x^2 + 8 = 6x \n" ); document.write( "2x^2 - 10x + 8 = 0 \n" ); document.write( "x^2 - 5x + 4 = 0 \n" ); document.write( "(x-4)*(x-1) = 0 \n" ); document.write( "x = 1, x = 4 \n" ); document.write( "------------- \n" ); document.write( "y = -3, y = 0 \n" ); document.write( "------------ \n" ); document.write( "(1,-3) is an intserction \n" ); document.write( "(4,0) is another \n" ); document.write( " \n" ); document.write( " |