Question

Реши уравнение
16-(4-u)^2=u(1-u)

Answer 1

16-(16-8u+u^2)=u-u^2
16-16+8u-u^2=u-u^2
8u=u
7u=0
u=0

Answer 2

16-16-u²=1u-u²

-u=0

u=0