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blsea [12.9K]
3 years ago
13

(m+3n) ^2 please help me solve this question, I really need it

Mathematics
1 answer:
Charra [1.4K]3 years ago
7 0

Answer:

=m2+6mn+9n2

Step-by-step explanation:

=(m+3n)(m+3n)

=(m)(m)+(m)(3n)+(3n)(m)+(3n)(3n)

=m2+3mn+3mn+9n2

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