Simplify the following text for a Grade 8 native English-speaking person.
Original: The mathematical proof that the quadrature of the circle is impossible using only compass and straightedge has not proved to be a hindrance to the many people who have invested years in this problem anyway .
Simplified: The problem is to construct a square that has the same area as the unit circle , only by using a compass and straightedge construction method . Some people also call this problem the quadrature of the circle .