Solve using augmented matrix methods 2x4 - 5x2 = - 3 2Xy - 6x - 6X4 + 15x2 = -2 = Select the correct choice below and fill in any answer boxes in your choice. O A. The unique solution is xy = and X2 = (Simplify your answer.) OB. The system has infinitely many solutions. The solution is x4 and xy = t. (Simplify your answer. Type an expression using tas the variable.) O C. There is no solution