Question Number 141781 by gsk2684 last updated on 23/May/21
$${help}\:{me}\:{to}\:{find}\:{the}\:{roots}\:{of}\: \\ $$$${x}^{\mathrm{5}} +\mathrm{5}{x}^{\mathrm{4}} +\mathrm{20}{x}^{\mathrm{3}} +\mathrm{60}{x}^{\mathrm{2}} +\mathrm{120}{x}+\mathrm{120}=\mathrm{0}? \\ $$
Commented by MJS_new last updated on 23/May/21
$$\mathrm{in}\:\mathrm{this}\:\mathrm{case}\:\mathrm{only}\:\mathrm{approximation}\:\mathrm{is}\:\mathrm{possible} \\ $$
Commented by MJS_new last updated on 23/May/21
$$\mathrm{I}\:\mathrm{get} \\ $$$${x}\approx−\mathrm{2}.\mathrm{18060712404} \\ $$$$\mathrm{no}\:\mathrm{other}\:\mathrm{real}\:\mathrm{solutions} \\ $$