Math, asked by riyaadhana232006, 7 months ago

simplify
a) (p+q+r)(p-q+r)-p(p+q)

Answers

Answered by kanwasineha

12

Answer:

2rp + r² - pq

Step-by-step explanation:

p²- pq + pr + qp - q²+ qr + rp - rq +r² - p² - pq

pr - q² + qr + rp -rq + r² - pq

pr + rp + r² - pq

2rp + r² - pq

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