Question

Решите уравнение (x-1)(x-3):(x-3)(x2+4)=0

Answer 1

(х-1)(х-3) / (х-3)(х^2+4) = 0
(х-1) / (х^2 + 4) = 0
х-1 = 0 • (х^2 + 4)
х-1 = 0
х = 1