Question

please answer it
i will mark you brainlist​

Answer 1

Answer:

135$m^{7}$$n^{3}$

Step-by-step explanation:

Please Follow And Mark Me As Brainliest !!

Answer 2

Answer:

27m³n(2+3mn)

Step-by-step explanation:

54m³n+81m⁴n²

=27m³n(2+3mn)