Respuesta :
Answer:
13m-5mn-7n
Step-by-step explanation:
(5m×5)-(5m×n)+3m-7n
10m-5mn+3m-7n
collect like terms
10m+3m-5mn-7n
13m-5mn-7n
:)
Otras preguntas

Answer:
13m-5mn-7n
Step-by-step explanation:
(5m×5)-(5m×n)+3m-7n
10m-5mn+3m-7n
collect like terms
10m+3m-5mn-7n
13m-5mn-7n
:)