Subtract 3p(p+q+r)-2q(p-q+r) from 4r(-p+q+p
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Answer:
-3p² - 2q² - qp - 3pr + 6qr
Step-by-step explanation:
==: 4r (-p + q + p) - [ 3p (p + q + r) - 2q (p - q + r) ]
==: 4rq - [ 3p² + 3pq + 3pr - 2qp + 2q² - 2qr ]
==: 4rq - 3p² - 3pq - 3pr + 2qp - 2q² + 2qr
==: -3p² - 2q² - qp - 3pr + 6qr
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