document.write( "Question 163261: 2x squared + 10x = -3\r
\n" );
document.write( "\n" );
document.write( "and\r
\n" );
document.write( "\n" );
document.write( "x squared + 10x - 7 = 0 \n" );
document.write( "
Algebra.Com's Answer #120270 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! 2x squared + 10x = -3 \n" ); document.write( "2x^2 + 10x + 3 = 0 \n" ); document.write( "Uset the quadratic formula to get: \n" ); document.write( "x = [-10 +- sqrt(100-4*2*3)]/(2*2)\r \n" ); document.write( "\n" ); document.write( "x = [-10 +- sqrt(76)]/4\r \n" ); document.write( "\n" ); document.write( "x = [-(5/2) +- (1/2)sqrt(19)] \n" ); document.write( "-------------------------------------- \n" ); document.write( "and \n" ); document.write( "x squared + 10x - 7 = 0 \n" ); document.write( "x^2 + 10x -7 = 0 \n" ); document.write( "Use the quadratic formula to get:\r \n" ); document.write( "\n" ); document.write( "x = [-10 +- sqrt(100-4*1*-7]/2\r \n" ); document.write( "\n" ); document.write( "x = [-10 +- sqrt(128)]/2 \n" ); document.write( "x = [-5 =- 4sqrt(2)]\r \n" ); document.write( "\n" ); document.write( "==================================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " \n" ); document.write( " |