Решите уравнение x^3-2x^2-9x+18=0

x^2(x-2) -9(x-2) = 0

(x^2 - 9)(x-2) = 0

(x-3)(x+3)(x-2) = 0

x1 = 3

x2 = -3

x3 = 2

</var></p> <p><var><img src=[/tex](x^{2}-9)(x+2)=0," title="x^{2}(x+2)-9(x+2)=0," title="(x^{2}-9)(x+2)=0," title="x^{2}(x+2)-9(x+2)=0," alt="(x^{2}-9)(x+2)=0," title="x^{2}(x+2)-9(x+2)=0," />

[tex]x=3" />