Решите уравнение (х²-2)² - х(х²-2)-6=0
(x²-2)(x²-2-x-6)=0 (x²-2)(x²-x-8)=0 (x-√2)(x+√2)(x-(1+√33)/2)(x-(1-√33)/2)=0 x=√2; x= -√2; x=(1-√33)/4; x=(1+√33)/4