-4m²(m²-m²)+3n²(m²-n²)

Question

-4m²(m²-m²)+3n²(m²-n²)

Answer 1

-4m²+3n²m²-3n^4 упрощенное выражение

Answer 2

-4m²(m²-m²)+3n²(m²-n²)
-4m² *0+3m²n²-3n^4
0+3m²n²-3n^4
3m²n²-3n^4