Question

answer the question given in the following attachment​

Answer 1

Answer:

(16/81)m^2 -121,

= (4m/9)^2 - 11^2,

= (4m/9 + 11) (4m/9 - 11)

Answer 2

Answer:

(4/9m+11) (4/9m-11)

Step-by-step explanation:

16/81m square -121

(4/9m) square - (11) square

now by using:-

${a}^{2} - {b}^{2} =( a + b)(a - b)$

we get

(4/9m+ 11) (4/9m - 11)