Question

x^5+27x^2= 0 proszę o szybką odpowiedz

Answer 1

x^5 + 27x^2 = 0

x^2(x^3 + 27) = 0

 

x^2 = 0      lub  x^3 + 27 = 0

x = 0          lub       x^3 = -27

                               x^3 = (-3)^3

                               x = - 3

 

odp. x = 0   lub    x = -3