Factor the Trinomial Completely $6 a ^ { 2 } - 6 a - 120$

question 156

Multiple Choice

Factor the trinomial completely. $6 a ^ { 2 } - 6 a - 120$

• A) \(6 ( a + 5 ) ( a - 4 )\)
• B) \(( 6 a + 5 ) ( a - 24 )\)
• C) \(( 6 a - 30 ) ( a + 4 )\)
• D) \(6 ( a - 5 ) ( a + 4 )\)
• E) not factorable