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* Aplicas propiedad distributiva:
(2m²)(m²n) + 2m²(-3n²) + 5n³(m²n) + 5n³(-3n²)
2m⁴n - 6m²n² + 5m²n⁴ - 15n⁵ ← Rpta
Eso es todo ;)
Hay que efectuar la multiplicación
(2m2 + 5n3) . (m2 n -3n2)
= (2m^2)(m^2n) - (2m^2)(3n^2) + (5n^3)(m^2n) - (5n^3)(3n^2)
= 2m^4n - 6m^2n^2 + 5m^2n^4 - 15n^5 RESULTADO FINAL