Answer:
3(2x(2)-y) x (2x+y)
Step-by-step explanation:
Good morning ☕️
12x² − 3y² = 3×4x² − 3y²
= 3(4x² − y²)
= 3((2x)² − y²)
= 3(2x − y)(2x + y)
_____________________
:)
