SAT math practice question: Dividing algebraic expressions

 
Try the following SAT math question that deals with algebraically dividing expressions.

Which of the following is equivalent to $\dfrac{x^2-2x-3}{x+2}$ ?

1. $\quad x \, -\, \dfrac{3}{x+2}$
2. $\quad x \,- \, \dfrac{7}{x+2}$
3. $\quad x \, – 4 \, + \dfrac{5}{x+2}$
4. $\quad x + 4 \; – \; \dfrac{11}{x+2}$