Try the following SAT math practice question (Calculator Permitted) that tests your ability to factor algebraic expressions.

**Question**(Calculator Permitted):

Which of the following is equivalent to the expression $4-x^2+2x^3-x^4$ ?

- $\quad (2-x)(2-x+x^3)$
- $\quad (2-x)(2+x-x^3)$
- $\quad (2-x)(2+x+x^3)$
- $\quad (2-x)(2-x-x^3)$

**Video Explanation**