Question

ecuaciones cuadraticas (2x+c)^2=2x-c

Answer 1

(2x+c)(x+c)=2x-c
x+c=2x-c/2x+c
2x^2+2xc+xc+c^2=2x-c
2x^2+3xc+c^2-2x+c=0
x=-c