Question

Add:

(i)

3mn, - 5m, 8mn, 4mn​

Answer 1

$\fbox\red{Given :}$

Add :

3mn, -5m, 8mn, 4mn

$\fbox\purple{Solution:}$

⇛ 3mn + (−5mn) + 8mn + 4mn

⇛3mn + –5mn + 8mn + 4mn

⇛(3 − 5 + 8 + 4)mn

⇛(3 + 8 + 4 – 5)mn

⇛ (15 – 5)mn

$\fbox\pink{⇛10mn}$

Answer 2

$\sf \red{Given:- \: }$

$\sf \blue{3mn + ( - 5m) + 8mn + 4mn}$

$\sf \green{Solution: -}$

$\sf \green{3mn + - 5m + 8mn + 4mn}$

$\sf \purple{(3mn + 8mn + 4mn) + - 5m}$

$\sf \gray{(11mn+4mn)-5m}$

$\sf \orange{15mn - 5m}$

Hope it helps