Respuesta :

Answer:

−63m3−60n2

ru simplifying?

Answer:

- 63m³ - 60n²

Step-by-step explanation:

Given

3n² - 9(7m³ + 7n²) ← distribute the parenthesis by 9

= 3n² - 63m³ - 63n² ← collect like terms

= - 63m³ - 60n²

Otras preguntas