СРАЗУ СПАСИБО!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

[latex](m+3)^{2} = (m-2)(m+2)[/latex] [latex] m^{2} + 6m + 9 = m^{2} -4[/latex] [latex] m^{2} - m^{2} +6m= -4 -9 [/latex] [latex]6m=-13[/latex] [latex]m= - \frac{13}{6} = -2\frac{1}{6} [/latex]