Solve. 4 x2 - 5 =2 . . . Select the correct choice below and, if necessary, fill in the answer box to complete your choice. O A. The solution(s) is/are (Type an exact answer, using radicals as needed. Use a comma to separate answers as needed.) O B. There is no solution.Solve. V1 - 5x = 4 . . . Select the correct choice below and, if necessary, fill in the answer box to complete your choice. O A. The solution(s) is/are (Type an integer or a simplified fraction. Use a comma to separate answers as needed.) O B. There is no solution.Subtract and simplify. (15 + 7i) - (6 + 41') (:> (15+7i)(6+4i)=D (Simplify your answer. Type your answer in the form a + bi.) Solve. y+3 y - 19 =2 3 4 . . . Select the correct choice below and, if necessary, fill in the answer box to complete your choice. O A. The solution(s) is/are (Type an integer or a simplified fraction. Use a comma to separate answers as needed.) O B. The solution set is {x | x is a real number and x * (Type an integer or a simplified fraction.) O C. There is no solution.Express in terms of i. -5 . . . - 5 = (Simplify your answer. Type your answer in the form a + bi.)