(p-q)(p+q) use suitable identity
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5
✔✔ Answer ✔✔
✏ (p - q)(p + q)
✏ (p)^2 - (q)^2
✏ p^2 - q^2
✏ (p - q)(p + q)
✏ (p)^2 - (q)^2
✏ p^2 - q^2
Answered by
1
the answer is p^2 -q^2
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