RiRi43061 RiRi43061 17-01-2024 Mathematics contestada Simplify: (x)/(x - 3) - (3)/(x + 4) + (7)/(x² + x - 12) Rewrite the expression using the LCD: O ((x(x + 4) - 3(x - 3) + 7))/((x - 3)(x + 4)) O ((x(x + 4)+ 3(x - 3) + 7))/((x - 3)(x + 4)) O ((x(x + 4) + 3(x - 3) - 7))/((x - 3)(x + 4))