Simplify the following (pq-qr+pr)(pq+qr)-(pr+pq)(p+q-r)
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Answer:
sorry I don't know please ask any one else sorry again
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Answer:
((pq)2+pq2r-pq2r-(qr)2
Step-by-step explanation:
+p2rq+pr2q) -(p2r+prq-pr2+p2q+pq2-prq)
=((pq2) -(qr)2)-(p2r-pr2-pq2)
=p2q2-q2r2-p2r+pr2+pq2
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