document.write( "Question 1032877: What two numbers can be multiply to get -60 and add to -17 ? \n" ); document.write( "
Algebra.Com's Answer #647464 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! What two numbers can be multiply to get -60 and add to -17 ? \n" ); document.write( "------- \n" ); document.write( "x*y = -60 \n" ); document.write( "x + y = -17 \n" ); document.write( "------- \n" ); document.write( "Substitute for \"y\" and solve for \"x\":: \n" ); document.write( "x(-x-17) = -60 \n" ); document.write( "------ \n" ); document.write( "x(x+17) = 60 \n" ); document.write( "x^2 + 17x - 60 = 0 \n" ); document.write( "------ \n" ); document.write( "x = [-17 +- sqrt(17^2-4*-60)[]/(2) \n" ); document.write( "----- \n" ); document.write( "x = [-17 +- 23]/2 \n" ); document.write( "---- \n" ); document.write( "x = -20 or x = 3 \n" ); document.write( "------ \n" ); document.write( "If x = -20, y = 3 \n" ); document.write( "If x = 3, y = -20 \n" ); document.write( "---------------- \n" ); document.write( "Cheers, \n" ); document.write( "Stan H \n" ); document.write( "---------------- \n" ); document.write( " |