Respuesta :

I____V____L

IL=IV+LV

48 = x² + 2x

x²+2x – 48 =0

(x‐6)(x+8)=0

x-6=0—>x=6

x+8=0—>x= ‐ 8

SO; X = 6 , – 8

I hope I helped you^_^