Question

plzzz answer in detail​

Answer 1

Answer:

m-n. m-n

+m+n. -m+n

_____. _____

2m. -2n

mn+(5-2)

mn+ 3. mn+3

+mn+3. -mn+3

______. _____

2mn+6. 0

Answer 2

Hey there,

(i) By adding,

m-n + m+n

2m

By subtracting,

m-n - (m+n)

m-n - m-n

- 2n

(ii) By add,

mn+5-2 + mn+3

2mn+6

By sub,

mn+5-2 - (mn+3)

mn+3 - mn-3

0

Hope it help