Question

Answer 1

11: \(=\dfrac{x-5+3x+1}{x-1}=\dfrac{4x-4}{x-1}=4\)1

12: \(=\dfrac{x^2+4x+4}{3\left(x+2\right)}=\dfrac{x+2}{3}\)

13: \(=\dfrac{x^2+2x+1}{x+1}=x+1\)

14: \(=\dfrac{x^2-2x+1}{x-1}=x-1\)

15: \(=\dfrac{x^2+4x+4}{x+2}=x+2\)