document.write( "Question 269712: a is real. 1+a+a2+a3=40 what is a? \n" ); document.write( "
Algebra.Com's Answer #197630 by vleith(2983) ![]() You can put this solution on YOUR website! You can get all wrapped up in the math on this one. But given the info provided, trial and error is a good way to go. \n" ); document.write( "Try setting a=1 and seeing if it works \n" ); document.write( "Try a=2 \n" ); document.write( "then a=3 \n" ); document.write( "Basically, get in the ball park and take it from there\r \n" ); document.write( "\n" ); document.write( "Look at this for other variants and a plot \n" ); document.write( "http://www.wolframalpha.com/input/?i=1%2Ba%2Ba^2%2Ba^3%3D40 \n" ); document.write( " |