Срочно надо [latex]2 x^{2} +5x=0[/latex] [latex] x^{2} -6x=0[/latex] [latex]0,5x+10 x^{2} =0[/latex] [latex]3 x^{2} -12=0[/latex] [latex]4 x^{2} =36[/latex] [latex]64 x^{2} =1[/latex] [latex]100=81 x^{2} [/latex]