Question

factories :(p+q)²-4pq​

Answer 1

Step-by-step explanation:

${(p + q)}^{2} - 4pq$

$= {p}^{2} + {q}^{2} + 2pq - 4pq$

$= {p}^{2} + {q}^{2} - 2pq$

$= {(p - q)}^{2}$

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