Question 40290
"Solve 81x^3+36^2=-4x"

81x^3+36x^2+4x=0
Factor out x to get:
x(81x^2+36x+4)=0
x(9x+2)(9x+2)=0
x=0 or x=-2/9 with multiplicity two.
Cheers,
Stan H.