document.write( "Question 156881: 9) Solve. Round results to the nearest thousandth. \r
\n" );
document.write( "\n" );
document.write( "7x2 - 6x - .4255 = 0
\n" );
document.write( " \n" );
document.write( "
Algebra.Com's Answer #115672 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! 7x2 - 6x - .4255 = 0 \n" ); document.write( "Using the quadratic equation: \n" ); document.write( "x=(6+-sqrt[-6^2-4*7*-.4255])/2*7 \n" ); document.write( "x=(6+-sqrt[36+11.914])/14 \n" ); document.write( "x=(6+-sqrt47.914)/14 \n" ); document.write( "x=(6+-6.922)/14 \n" ); document.write( "x=12.922/14 \n" ); document.write( "x=.923 answer. \n" ); document.write( "x=(6-6.922)/14 \n" ); document.write( "x=-.922/14 \n" ); document.write( "x=-.066 answer. \n" ); document.write( " |