Solve the rational equation
and check for extraneous solutions

5 = 4x+1
— ——-
x x^2

(1) x= 1; x = 0 is an extraneous solution

(2) x=0; x = 1 is an extraneous solution

(3) x= -1; x = 0 is an extraneous solution

(4) x=0; x = -1 is an extraneous solution