3) Add the polynomials (9m + 5n + 4) + (-2m - 5n +1)
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Question :-
➠ (9m + 5n + 4) + (-2m - 5n + 1)
Answer :-
➠ (9m + 5n + 4) + (-2m - 5n + 1)
➻ 9m + 5n + 4 - 2m - 5n + 1
➻ 9m - 2m + 5n - 5n + 4 + 1
➻ 7m + 5
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please brainliest
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