Factor the Expression $\tan ^ { 2 } \beta + 6 \tan \beta - 7$

Factor the expression. $\tan ^ { 2 } \beta + 6 \tan \beta - 7$

A) $( \tan \beta - 3 ) ( \tan \beta + 5 )$
B) $( \tan \beta - 1 ) ( \tan \beta + 7 )$
C) $( \tan \beta - 1 ) ( \tan \beta + 6 )$
D) $( \tan \beta - 4 ) ( \tan \beta + 4 )$
E) $( \tan \beta - 5 ) ( \tan \beta + 4 )$

Correct Answer:

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