document.write( "Question 1121353: what two numbers added equal -7 and multiplied equal -8 \n" ); document.write( "
Algebra.Com's Answer #737212 by math_helper(2461)![]() ![]() You can put this solution on YOUR website! what two numbers added equal -7 and multiplied equal -8 \n" ); document.write( "————————— \n" ); document.write( "Let x and y be the two numbers\r \n" ); document.write( "\n" ); document.write( "x+y = -7 —> x = -7-y \n" ); document.write( "xy = -8 \r \n" ); document.write( "\n" ); document.write( "Re-write the bottom equation with -7-y substituted for 'x': \n" ); document.write( "(-7-y)y = -8 \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "y=-8 ==> x=1 \n" ); document.write( "y=1 ==> x=-8 \r \n" ); document.write( "\n" ); document.write( "These are the same answer, as they just swap x and y in a trivial manner. \n" ); document.write( " So the answer is |