Question

TRY THESE
Add and subtract
(i) m-n, m+n
(ü) mn + 5-2, mn + 3​

Answer 1

Answer:

part 1

Add

=m−n+m+n=2m

Subtract

=m−n−m−n=−2n

Part(ii)

Add

=mn+5−2+mn+3=2mn+6

Subtract

=mn+5−2−mn−3=0

Hence, this is the answer.

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