Question

Реши уравнение: u^2=8u

Answer 1

u^2-8u=0

u(u-8)=0

u=0

u-8=0 u=8

Answer 2

u²=8u

u² - 8u = 0

u*(u - 8) = 0

u₁ = 0;       u - 8 = 0

                 u₂ = 8