Odpowiedź:
a)
[tex]x {}^{2} \times (x {}^{2} + 2x + 1) = 0 \\ x { }^{2} \times (x + 1) {}^{2} = 0 \\ x {}^{2} = 0 \\ (x + 1) {}^{2} = 0 \\ x = 0 \\ x = - 1 \\ x1 = - 1........x2 = 0 [/tex]
b)
[tex](x - 2) \times (x {}^{2} + 2) = 0 \\ x - 2 = 0 \\ x {}^{2} + 2 = 0 \\ x = 2 [/tex]