<=> \(x^4\left(\sqrt{x+3}-2\right)\)\(+2018\left(x-1\right)=0\)
<=>\(x^4\left(\dfrac{x+3-4}{\sqrt{x+3}+2}\right)+2018\left(x-1\right)=0\)
<=>\(x^{\text{4}}\left(\dfrac{x-1}{\sqrt{x+3}+2}\right)+2018\left(x-1\right)=0\)
<=>\(\left(x-1\right)\left(\dfrac{x^4}{\sqrt{x+3}+2}+2018\right)=0\)
=>x-1=0 <=>x=1