Решите уравнение 1/4x^2+x=0
X(1/4x+1)=0 x=0 1/4x=-1 x=-4
Х(1/4х+1)=0 х1=0 1/4х+1=0 1/4х=-1 х=-1÷1/4 х=-1×4/1 х2=-4