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| (3) | | | | | | | | | | | | | | | | | | | | | | | | | | | | | ( | −3 | w | − | 9 | ) | ( | 2 | w | − | 10 | ) | + | ( | 3 | w | − | 3 | ) | ( | −3 | w | − | 10 | ) | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
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| (4) | | | | | | | | | | | | | | | | | | | | | | | | | | | | | ( | −9 | u | + | 6 | ) | ( | 9 | u | − | 3 | ) | + | ( | 9 | u | + | 10 | ) | ( | −9 | u | + | 5 | ) | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| | | | | | | | | | | | | | | | | | | | | | | | | = | −81 | u | + | 81 | u | − | 18 | + | ( | −81 | u | − | 45 | u | + | 50 | ) | | | | | | | | | | | | | | | | | | | | | | | | | |
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| (5) | | | | | | | | | | | | | | | | | | | | | | | | | ( | a | − | 8 | ) | ( | a | − | 1 | ) | + | ( | a | − | 8 | ) | ( | a | + | 8 | ) | | | | | | | | | | | | | | | | | | | | | | | | |
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| (7) | | | | | | | | | | | | | | | | | | | | | | | | | ( | q | + | 2 | ) | ( | q | − | 5 | ) | + | ( | q | − | 9 | ) | ( | q | + | 9 | ) | | | | | | | | | | | | | | | | | | | | | | | | |
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