Question

1) p2 – 4q2 - p3 + 2pq
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Answer 1

Step-by-step explanation:

p²-4q²-p³+2pq

{(p)²-(2q)²-p(p²-2q)}

(p+2p)(p-2p)-p(p²-2q)

(3p×p)-p(p²-2q)

3p²-p(p²-2q)

p(3p-p²+2q)