document.write( "Question 100859: Please can you help solve: 0.75x²-2.4x+75.Calculate the value of x when h = 73.08 \n" ); document.write( "
Algebra.Com's Answer #73417 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! h = 0.75x²-2.4x+75.Calculate the value of x when h = 73.08 \n" ); document.write( "----------------------------- \n" ); document.write( "0.75x²-2.4x+75= 73.08\r \n" ); document.write( "\n" ); document.write( "0.75x^2-2.4x+1.92 \n" ); document.write( "Multiply thru by 100 to get rid of the decimals: \n" ); document.write( "75x^2 - 240x +192 = 0 \n" ); document.write( "x = [240 +- sqrt(240^2-4*75*192)]/150 \n" ); document.write( "x = [240 +- 0]/150 \n" ); document.write( "x = 8/5 \n" ); document.write( "=0.16 \n" ); document.write( "============== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |