Solve each equation by graphing. Where necessary, round to the nearest hundredth

-x^3+2x^2+1=0

1 answer

same as
x^3 - 2x^2 - 1 = 0

graph y = x^3 - 2x - 1 at

http://rechneronline.de/function-graphs/

just enter the function expression
x^3 - 2x - 1