Math, asked by polymetalindia, 1 month ago

(a+b) (a-b)=(a²-b²) using this formula substitute this number (2m+3n)²

Answers

Answered by divyasingh016787

2

Answer:

please mark as brainlist

Attachments:

Answered by shravyabandhary

1

Answer:

4m-12mn+9n2

Step-by-step explanation:

=2m2- 2×2m×3n+3n2

=4m2-12mn+9n2

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