how to factor 54a² - 9a - 30

i have to facotr this trinomial and i cant figure it ot please help.
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1 Answer

 

 54a² - 9a - 30

 54a²-(45-36)a-30

 54a²-45a+36a-30

 9a(6a-5)+6a(6a-5)

 (6a-5) (9a+6a)

 

 

by Level 1 User (220 points)

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