document.write( "Question 722560: what two numbers multiply to -240 and add to +34 \n" ); document.write( "
Algebra.Com's Answer #442787 by god2012(113)![]() ![]() You can put this solution on YOUR website! Solution:\r \n" ); document.write( "\n" ); document.write( "Let 'a' and 'b' are the 2 numbers. \n" ); document.write( "Given : a * b = -240 --------eq.1 \n" ); document.write( " a + b = 34 or b = 34 - a --------eq.2\r \n" ); document.write( "\n" ); document.write( "Put 2 in 1, we get\r \n" ); document.write( "\n" ); document.write( "a (34 - a ) = -240\r \n" ); document.write( "\n" ); document.write( "34a - a^2 + 240 = 0\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "Solving the quadratic equation \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "a = 40 or a = -6\r \n" ); document.write( "\n" ); document.write( "b = -6 or 40 \n" ); document.write( " |