Question

subtract (4mn +3n) from (7mn + 5n)​

Answer 1

Subtract first terms from the second term.

Open the brackets and find the answer.

$To\, find: \\(7mn + 5n)-(4mn +3n)\\= 7mn + 5n - 4mn - 3n \\= 7mn - 4mn +5n-3n\\= \underline{\bf 3mn+2n}$

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