RÄspuns:
a^2018(a + 1) = a^2016(a +1) + 2019
a^2018(a + 1) - a^2016(a + 1) = 2019
a^2016(a + 1)(a^2 - 1) = 2019
a^2016(a + 1)(a + 1)(a - 1) = 2019
a = 1 => 0 = 2019 (FALS)
a = 2 => Depaseste cu mult 2019.
Nu exista niciun numar nat. a care sa se potriveasca ecuatiei.
