Respuesta :
Answer:
9m²-12mn+ 4n²
Step-by-step explanation:
First you expand it so
(3m-2n)(3m-2n)
9m²-6mn-6mn+4n²
9m²-12mn+ 4n²
And this is the simpliest form , hope this helped:))
Answer:
9m²-12mn+ 4n²
Step-by-step explanation:
First you expand it so
(3m-2n)(3m-2n)
9m²-6mn-6mn+4n²
9m²-12mn+ 4n²
And this is the simpliest form , hope this helped:))