help-me-to-find-the-roots-of-x-5-5x-4-20x-3-60x-2-120x-120-0-

Question Number 141781 by gsk2684 last updated on 23/May/21

h e l p m e t o f i n d t h e r o o t s o f

x^{5} + 5 x^{4} + 20 x^{3} + 60 x^{2} + 120 x + 120 = 0 ?

Commented by MJS_new last updated on 23/May/21

in this case only approximation is possible

Commented by MJS_new last updated on 23/May/21

I get

x \approx - 2.18060712404

no other real solutions

Facebook Tweet Pin