Question

(x-2)(x+1) - (x-1)(x+3) = 5x+2 ayudaa
ecuacion de primer grado

Answer 1

$(x-2)(x+1)-(x-1)(x+3)=5x+2 \\ x^2+x-2x-2-(x^2+3x-x-3)=5x+2 \\ x^2-x-2-x^2-3x+x+3=5x+2 \\ -3x+1=5x+2 \\ -8x=1 \\ x= -\frac{1}{8}$