1.
[tex]\frac{x-5}{x+2} =3 / *(x+2)\\x-5=3(x+2)\\x-5 = 3x + 6 /(-3x + 5)\\x - 3x = 6 + 5\\-2x = 11/:(-2)\\x = -\frac{11}{2} \\x = -5,5[/tex]
2.
[tex]\frac{x^{2}-4x }{x^{2} + 3x + 4} = 0/*(x^{2} + 3x + 4)\\x^{2} -4x = 0\\x(x-4) = 0\\x_{1} = 0\\x_{2}-4 = 0 / +4\\x_{2}=4[/tex]
