Question

3x la puterea2 -6x=0

Answer 1

$3x^{2} -6x=0 \Leftrightarrow 3x(x-2)=0 \Rightarrow 3x=0~sau~x-2=0. \\ \\ 3x=0 \Rightarrow x=0. \\ x-2=0 \Rightarrow x=2. \\ \\ \underline{Solutie}: \boxed{x \in \{0;2\}}.$