Question

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

Answer 1

Step-by-step explanation:

${(p + q)}^{2} - {p}^{2} - 2pq - {q}^{2} \\ {p}^{2} + {q}^{2} + 2pq - {p}^{2} - 2pq - {q}^{2} \\ 0$

hence ans. is 0

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