Seudónimo Seudónimo 09-11-2017 Mathematics contestada which is equivalent to 3x/x+5 - x-5/x A: x^2+25/x(x+5) B: 2x^2+25/x(x+5) C: 2(x+5)/x(x+5) D: 2(x-5)/x(x+5)