Question 13
Simplify $P=\frac{2x+1}{x+2}+\frac{x^2-4}{x^2+x-2}+\frac1{1-x}$.
Original printed choices: A: $\frac{x+1}{x+2}$; B: $\frac{x-1}{x+2}$; C: $\frac{x-1}{x-2}$; D: $\frac{x+1}{x-2}$.
Editorial format: answer directly; the printed choices are retained for source fidelity. See the solution for the source issue.
Original printed choices: A: $\frac{x+1}{x+2}$; B: $\frac{x-1}{x+2}$; C: $\frac{x-1}{x-2}$; D: $\frac{x+1}{x-2}$.
Editorial format: answer directly; the printed choices are retained for source fidelity. See the solution for the source issue.