Math, asked by anitasinghjsr5, 16 days ago

simplify: (p +q- 2r) (2p - q + r) - 4qr

Answers

Answered by Anonymous

9

Step-by-step explanation:

(p+q-2r) (2p-q+r) -4qr

2p²-pq+pr+2pq-q²-2qr-4pr-2qr-2r²-4qr

hope u understand

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