Math, asked by archnaadhikari28437, 4 months ago

Add: 3l-4m-7n2 and 2l+3m-4n2

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Answered by Anonymous

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Answered by jaganjyoti

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Step-by-step explanation:

31-4m-7n²+21+3m+4n²

=31-21-4m+3m-7n²-4n²

=10-m-11n² ans..

(hope this helps u)...

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