Math, asked by Mohammad007, 7 months ago

Evaluate (7m pleas3square+mn-4n square)-(5m square-3mn+n square

Answers

Answered by sakshiaggarwal567

2

Answer:

7m+3^2+mn-4n^2)-(5m^2-3mn+n^2)

7m+9+mn-4n^2-5m^2+3mn-n^2

7m+9+4mn-5n^2-5m^2

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