Fatimahk0274222idn
Answered

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expand (p+q)² = p² + 2pq+q²​

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Discipulusidn

Answer:

The answer already exists in your question...

That is correct expansion

Nguyenlien11101984idn

Answer:

Step-by-step explanation:

(p+q)^2 = (p+q)*(p+q) = (p+q)*p + (p+q)*q = p^2 + pq + pq + q^2 = p^2 + 2pq + q^2

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