Math, asked by saalimkhanji, 5 months ago

p(p-q+r)+q(-p+q+r)-r(p+q+r)​

Answers

Answered by SuryaPrakash9736
3

Step-by-step explanation:

p²‐pq+pr-pq+q²+qr-pr-qr-r²

p²‐2pq+q²‐r²

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