Question

решите уравнение 1+2x(x-2)=1

Answer 1

1 + 2x^2 - 4x = 1
2x^2 - 4x = 0
X^2 - 2x = 0
X = 0 x(x - 2) = 0
X = 2
Ответ: x1=0, x2=2