Answer :

Answer: You can use only common factor (3).

Step-by-step explanation:

12g²-27h²​

3 . ( 4g² - 9h² )

Answer:

3 (2g+3h) (2g-2h)

Step-by-step explanation:

Rewrite -27 as 9 * 3

Rewrite 12 as 4 * 3

= 4 * 3g^2 +9 * 3h^2

Factor out the common term 3

3 (4g^2 - 9h^2)

Factor 4g^2 - 9h^2

Your answer is .. 3 (2g+3h) (2g-2h)