Algebra 2
posted by Christina on .
Solve each equation by graphing. Where necessary, round to the nearest hundredth
x^3+2x^2+1=0

same as
x^3  2x^2  1 = 0
graph y = x^3  2x  1 at
http://rechneronline.de/functiongraphs/
just enter the function expression
x^3  2x  1