For each equation, determine the number of solutions and place on the appropriate field in the table.
3(x + 5)2 = -2
5x2 + 2 = 4x
3x2 + 24x = -48
4x2 - 16x = 0

Which of the following is the best definition of a eukaryota? a. a one-celled organism that does not have a membrane-bound nucleus b. a one-celled organism that does not have a cell wall c. an organism whose cells each contain a membrane-bound nucleus d. an organism whose cells each have a cell wall