Question Number 188248 by mathlove last updated on 27/Feb/23
![(x^3 −y−3x)[(x^3 −3x)^2 −y^2 ]=200 (x^3 +y−3x)[(x^3 −3x)^2 +y^2 ]=600 solved in R](Q188248.png)
$$\left({x}^{\mathrm{3}} −{y}−\mathrm{3}{x}\right)\left[\left({x}^{\mathrm{3}} −\mathrm{3}{x}\right)^{\mathrm{2}} −{y}^{\mathrm{2}} \right]=\mathrm{200} \\ $$$$\left({x}^{\mathrm{3}} +{y}−\mathrm{3}{x}\right)\left[\left({x}^{\mathrm{3}} −\mathrm{3}{x}\right)^{\mathrm{2}} +{y}^{\mathrm{2}} \right]=\mathrm{600} \\ $$$${solved}\:{in}\:{R} \\ $$