Решите уравнение (x+1)(x^2 -x+1)-x(x+3)(x-3)= 10

x^3+y^3=(x+y)(x^2-xy+y^2)x^2-y^2=(x-y)(x+y)(x+1)(x^2 -x+1)-x(x+3)(x-3)= 10x^3 + 1 - x(x^2-9) = 10x^3 +1 - x^3 + 9x = 109x=9x=1