Answer:
3x^2-288y^2-36
Rewrite -36 as 12×3
Rewrite -288 as 96×3
3x^2+96.3y^2+12.3
factor out common term 3
=3(x^2-96y^2-12)
3(x^2-96y^2-12)
Step-by-step explanation:
