llz send these 5 answers plz
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Step-by-step explanation:
Given expression is p²q-pr²-pq+r²
On rearranging them
=>(p²q-pq)+(pr²-r²)
=>pq(p-1)+r²(p-1)
=>(p-1)(pq+r²)
p²q-pr²-pq+r²=(p-1)(pq+r²)
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