| (1) | | | | | | | | | | | | | | | | | | | | | | | | | ( | z | + | 10 | ) | ( | z | − | 6 | ) | − | ( | z | − | 6 | ) | ( | z | + | 8 | ) | | | | | | | | | | | | | | | | | | | | | | | | |
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| (2) | | | | | | | | | | | | | | | | | | | | | | | | | ( | x | − | 9 | ) | ( | x | + | 9 | ) | + | ( | x | − | 6 | ) | ( | x | − | 1 | ) | | | | | | | | | | | | | | | | | | | | | | | | |
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| (3) | | | | | | | | | | | | | | | | | | | | | | | | | | | | | ( | −4 | w | − | 2 | ) | ( | 3 | w | − | 5 | ) | − | ( | −4 | w | + | 7 | ) | ( | 4 | w | + | 6 | ) | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| | | | | | | | | | | | | | | | | | | | | | | | | = | −12 | w | + | 14 | w | + | 10 | − | ( | −16 | w | + | 4 | w | + | 42 | ) | | | | | | | | | | | | | | | | | | | | | | | | | |
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| (5) | | | | | | | | | | | | | | | | | | | | | | | | | ( | y | − | 8 | ) | ( | y | + | 6 | ) | + | ( | y | + | 3 | ) | ( | y | − | 10 | ) | | | | | | | | | | | | | | | | | | | | | | | | |
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| (6) | | | | | | | | | | | | | | | | | | | | | | | | | | | | ( | 9 | z | + | 6 | ) | ( | 5 | z | + | 7 | ) | + | ( | z | + | 4 | ) | ( | 2 | z | + | 10 | ) | | | | | | | | | | | | | | | | | | | | | | | | | | | |
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