document.write( "Question 373892: Find two numbers whose product is -30, and whose sum is -1\r
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document.write( "Find two numbers whose product is 8, and whose sum is 6.
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document.write( "I am so lost when it comes to word problems... \n" );
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Algebra.Com's Answer #266103 by mananth(16946)![]() ![]() You can put this solution on YOUR website! Find two numbers whose product is 8, and whose sum is 6.\r \n" ); document.write( "\n" ); document.write( "let the numbers be x & y \n" ); document.write( ".. \n" ); document.write( "product = x*y = xy = 8 \n" ); document.write( "x=8/y. \n" ); document.write( "... \n" ); document.write( "sum = 6 \n" ); document.write( "x+y =6 \n" ); document.write( ".. \n" ); document.write( "plug value of x in this equation \n" ); document.write( "8/y +y =6 \n" ); document.write( "LCD = y \n" ); document.write( "(8+y^2)/y = 6 \n" ); document.write( "(8+y^2)= 6y \n" ); document.write( "y^2-6y+8=0 \n" ); document.write( "(x-2)(x-4 )=0 \n" ); document.write( "x=2 OR 4 \n" ); document.write( "the numbers are 2 & 4 \n" ); document.write( ".. \n" ); document.write( "xy =-30 \n" ); document.write( "x+y =-1 \n" ); document.write( "x= -30/y \n" ); document.write( "plug in second equation \n" ); document.write( "-30/y + y = -1 \n" ); document.write( "(-30+y^2)/y =-1 \n" ); document.write( "-30+y^2=-y \n" ); document.write( "y^2+y-30 =0. \n" ); document.write( "Now I think you shpould walk through.It will be a practise. \n" ); document.write( "... \n" ); document.write( "m.ananth@hotmail.ca \n" ); document.write( " |