Complete the following statement.
The radical equation 2 + 2x – 3
V + 7 has a solution set z =
and an extraneous root =

Question

Complete the following statement.  The radical equation 2 + 2x - 3  V + 7 has a solution set z =  and an extraneous root =

ThanhThu · Answer

Answer:   x=2; the extraneous root x=42.    All the details are in the attached picture, the answer is marked with red colour.