Question

select the number of type of solutions for this equation
√x^2-28-1=x

a. no real roots
b. one extraneous root
c. two different real roots
d. a double root
e. three real roots

Answer 1

b, i think

Answer 2

x^2=x^2 +58x +29*29, then 0=58x +29^2 ,so x=-29*29/29*2=-29/2