document.write( "Question 673443: The problem looks like this. \"2x squared minus 8x is greater than or equal to 24\". I need to find out what two numbers that when multiplied can give me -24 but when added or subtracted can give me -8. \n" ); document.write( "
Algebra.Com's Answer #418672 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! I need to find out what two numbers that when multiplied can give me -24 but when added or subtracted can give me -8. \n" ); document.write( "--------------------- \n" ); document.write( "Equations:: \n" ); document.write( "xy = -24 \n" ); document.write( "x-y = -8 \n" ); document.write( "----- \n" ); document.write( "x = y-8 \n" ); document.write( "----- \n" ); document.write( "Substitute and solve for \"y\": \n" ); document.write( "(y-8)y = -24 \n" ); document.write( "y^2 - 8y + 24 = 0 \n" ); document.write( "------- \n" ); document.write( "y = [8 +- sqrt(64-4*24)]/2 \n" ); document.write( "------- \n" ); document.write( "y = [8 +- sqrt(-32)]/2 \n" ); document.write( "y = [8 +- 4sqrt(2)i]/2 \n" ); document.write( "---- \n" ); document.write( "y = [4 +- 2sqrt(2)i] \n" ); document.write( "---- \n" ); document.write( "Solve for \"x\". \n" ); document.write( "------------------ \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "================== \n" ); document.write( " |