Question

factorise
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Answer 1

p²(q-r) + q(r-q)

p²(q-r) - q(-r+q)

p²(q-r) - q(q-r)

(q-r)(p²-q) Answer

Hope this will help you

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Answer 2

Your Answer:

p²(q-r) + q(r-q)

p²(q-r) - q(-r+q)

p²(q-r) - q(q-r)

(q-r)(p²-q)