document.write( "Question 71671: I need to solve 5x^+2x=2 by using the quadratic formula. Help! \n" ); document.write( "
Algebra.Com's Answer #51245 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! solve 5x^+2x=2 by using the quadratic formula. \n" ); document.write( "Rewrite the problem: \n" ); document.write( "5x^2+2x-2=0 \n" ); document.write( "a=5,b=2, c=-2 \n" ); document.write( "x=[-b+-sqrt(b^2-4ac)]/2a\r \n" ); document.write( "\n" ); document.write( "-------- \n" ); document.write( "x=[-2+-sqrt(4-4*5*-2)]/10\r \n" ); document.write( "\n" ); document.write( "x=[-2+-sqrt(44)]/10\r \n" ); document.write( "\n" ); document.write( "x=[-2+-2sqrt11]10\r \n" ); document.write( "\n" ); document.write( "x= (-1+sqrt11)/5 or x= (-1-sqrt11)/5\r \n" ); document.write( "\n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |