3. Find the following: (6p’q - 4p9) (2pq + 7 - 3p?q?).
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Answer:
ok
Step-by-step explanation:
After subtracting −6p+q+3r+8 from p−2q−5r−8 we get,
p−2q−5r−8−(−6p+q+3r+8)
=p−2q−5r−8+6p−q−3r−8
=7p−3q−8r−16
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