| (1) | | | | | | | | | | | | | | | | | | | | | | | | | | | | ( | 8 | q | + | 4 | ) | ( | −5 | q | − | 10 | ) | + | ( | q | + | 7 | ) | ( | 9 | q | + | 1 | ) | | | | | | | | | | | | | | | | | | | | | | | | | | | |
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| (2) | | | | | | | | | | | | | | | | | | | | | | | | | | | | | ( | −5 | r | + | 3 | ) | ( | −4 | r | − | 2 | ) | + | ( | −6 | r | − | 7 | ) | ( | 7 | r | − | 1 | ) | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
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| (3) | | | | | | | | | | | | | | | | | | | | | | | | ( | 9 | u | + | 9 | ) | ( | −7 | u | + | 3 | ) | + | 4 | ( | −6 | u | + | 10 | ) | | | | | | | | | | | | | | | | | | | | | | | |
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| (4) | | | | | | | | | | | | | | | | | | | | | | | | | | | | | ( | −7 | q | + | 5 | ) | ( | 8 | q | − | 5 | ) | − | ( | −4 | q | + | 5 | ) | ( | −8 | q | + | 6 | ) | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| | | | | | | | | | | | | | | | | | | | | | | | | = | −56 | q | + | 75 | q | − | 25 | − | ( | 32 | q | − | 64 | q | + | 30 | ) | | | | | | | | | | | | | | | | | | | | | | | | | |
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| (5) | | | | | | | | | | | | | | | | | | | | | | | | | | | | | ( | −2 | a | − | 3 | ) | ( | 4 | a | + | 1 | ) | − | ( | 5 | a | − | 6 | ) | ( | −5 | a | + | 1 | ) | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
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| (6) | | | | | | | | | | | | | | | | | | | | | | | | | ( | a | + | 7 | ) | ( | a | − | 5 | ) | − | ( | a | + | 9 | ) | ( | a | + | 6 | ) | | | | | | | | | | | | | | | | | | | | | | | | |
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