document.write( "Question 184368: (-4x+5)+(2xsquared +1/2x-12)I have tried to do it the colum form ans I get all lost. \n" ); document.write( "
Algebra.Com's Answer #138395 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! (-4x+5)+(2xsquared +1/2x-12) \n" ); document.write( "-4x+5+2x^2+x/2-12 \n" ); document.write( "2x^2-3.5x-7 \n" ); document.write( "Using the quadratic equation \n" ); document.write( "x=(3.5+-sqrt[-3.5^2-4*2*-7])/2*2 \n" ); document.write( "x=(3.5+-sqrt[12.25+56])/4 \n" ); document.write( "x=(3.5+-sqrt68.25)/4 \n" ); document.write( "x=(3.5+-8.26136)/4 \n" ); document.write( "x=(3.5+8.26136)/4 \n" ); document.write( "x=11.76136/4 \n" ); document.write( "x=2.94 ans. \n" ); document.write( "x=(3.5-8.26136)/4 \n" ); document.write( "x=-4.76136/4 \n" ); document.write( "x=-1.19 ans. \n" ); document.write( " \n" ); document.write( " |