document.write( "Question 1055549: Find two integers whose sum is -9 and product is 20 \n" ); document.write( "
Algebra.Com's Answer #670743 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Find two integers whose sum is -9 and product is 20 \n" ); document.write( "---- \n" ); document.write( "x + y = -9 \n" ); document.write( "x*y = 20 \n" ); document.write( "----- \n" ); document.write( "Substitue for \"x\" and solve for \"y\":: \n" ); document.write( "(-9-y)y = 20 \n" ); document.write( "------- \n" ); document.write( "-y^2 - 9y - 20 = 0 \n" ); document.write( "---- \n" ); document.write( "y^2 + 9y + 20 = 0 \n" ); document.write( "(y+4)(y+5) = 0 \n" ); document.write( "y = -4 \n" ); document.write( "x = -5\r \n" ); document.write( "\n" ); document.write( "------------- \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " \n" ); document.write( " |