Question

factorise each of the following expression 1... Q R - p r + QS - PS


2. p²q-pr²-pq+r²

3. 1+x+xy+x²y

Answer these questions correctly

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Answer 1

Answer:

1. (Q - P) (R + S)

2. (pq - r²) (p - 1)

3. (xy + 1) (x + 1)

Step-by-step explanation:

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