Question

решить неравенство x²-2x< или = 0

Answer 1

$x^2-2x \leq 0\\\\ x*x-2*x \leq 0\\\\ (x-2)*x \leq 0\\\\ (x-2)*(x-0) \leq 0\\\\ ++++++[0]--------[2]++++++\ \textgreater \ x\\\\ x\in[0;\ 2]$

Ответ: $[0;\ 2]$