Помогите решить уравнения 1, [latex] \frac{- x^{2} -2 x+15}{ x^{2} +4 x} =0[/latex] 2, [latex] \frac{ x^{2} - x-12}{ x^{2} -9} =0[/latex] 3. [latex] \frac{ 3x^{2} +x-8}{2x^{2}+6} =0[/latex] 4.[latex] \frac{1}{2} + \frac{4}{ x}...

Помогите решить уравнения 1, [latex] \frac{- x^{2} -2 x+15}{ x^{2} +4 x} =0[/latex] 2, [latex] \frac{ x^{2} - x-12}{ x^{2} -9} =0[/latex] 3. [latex] \frac{ 3x^{2} +x-8}{2x^{2}+6} =0[/latex] 4.[latex] \frac{1}{2} + \frac{4}{ x} = \frac{5}{ x-3} [/latex] 5.[latex] \frac{7}{ x} + \frac{1}{ x-5} = 1 \frac{1}{2} [/latex]