Math, asked by aru9167068447, 6 months ago

(4m+5m);(4m-5m) by using 5m-n=3m+4n

Answers

Answered by anshikamalhotra12345

4

Answer:

Step-by-step explanation:

20m+16mn x 25mn+20n

=20m+(16mn x 25mn)+20n

=20m+400mn+2on

HOPE THIS WAS USEFUL PLS MARK AS BRAINLIEST

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