Question

x+3/x-1=2x+1
como faz

Answer 1

$\frac{x+3}{x-1}=2x+1 \\ x+3=(2x+1)(x-1) \\ x+3= 2x^{2} -2x+x-1 \\ 3=2x^2-2x-1 \\ 2x^2-2x-4=0 \\ x^2-x-2=0$

$x^2-x-2=0 \\ x_{1} = \frac{1+3}{2} =2 \\ x_{2}= \frac{1-3}{2} =-1$