7n2 + 8n − 12 A) (7n + 6)(n − 2) B) (5n − 8)(n + 10) C) Not factorable D) (7n − 6)(n + 2)

asked Apr 27, 2018 59.0k views

5 votes

7n2 + 8n − 12

A) (7n + 6)(n − 2)
B) (5n − 8)(n + 10)
C) Not factorable
D) (7n − 6)(n + 2)

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3 votes

7n^2 + 8n − 12
= (7n - 6)(n + 2)

cause
(7n - 6)(n + 2)
= 7n^2 - 6n + 14n - 12
= 7n^2 + 8n - 12

answer
D) (7n − 6)(n + 2)

Lance Badger answered May 3, 2018