Write Each Expression in Factored Form as an Algebraic Expression $\sec ^ { 4 } x + \sec ^ { 2 } x \tan ^ { 2 } x - 2 \tan ^ { 4 } x$

Multiple Choice

Write each expression in factored form as an algebraic expression of a single trigonometric function.
- $\sec ^ { 4 } x + \sec ^ { 2 } x \tan ^ { 2 } x - 2 \tan ^ { 4 } x$

A) $4 \sec ^ { 2 } x$
B) $3 \sec ^ { 2 } x - 2$
C) $\sec ^ { 2 } x + 2$
D) $\tan ^ { 2 } x - 1$