| (1) | | | | | | | | | | | | | | | | | | | | | | | | ( | −5 | z | + | 1 | ) | ( | 3 | z | + | 6 | ) | + | 3 | ( | 2 | z | − | 4 | ) | | | | | | | | | | | | | | | | | | | | | | | |
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| (2) | | | | | | | | | | | | | | | | | | | | | | | | ( | 10 | y | + | 3 | ) | ( | 7 | y | + | 10 | ) | − | 4 | ( | −6 | y | + | 2 | ) | | | | | | | | | | | | | | | | | | | | | | | |
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| (3) | | | | | | | | | | | | | | | | | | | | | | | | | ( | b | + | 2 | ) | ( | b | − | 1 | ) | − | ( | b | − | 4 | ) | ( | b | + | 9 | ) | | | | | | | | | | | | | | | | | | | | | | | | |
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| (4) | | | | | | | | | | | | | | | | | | | | | | | | | ( | b | − | 5 | ) | ( | b | + | 9 | ) | + | ( | b | − | 7 | ) | ( | b | + | 8 | ) | | | | | | | | | | | | | | | | | | | | | | | | |
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| (5) | | | | | | | | | | | | | | | | | | | | | | | | ( | 6 | v | − | 1 | ) | ( | −3 | v | − | 6 | ) | + | 8 | ( | −5 | v | − | 1 | ) | | | | | | | | | | | | | | | | | | | | | | | |
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| (7) | | | | | | | | | | | | | | | | | | | | | | | | ( | −10 | v | + | 5 | ) | ( | − | v | + | 6 | ) | − | 6 | ( | 8 | v | − | 8 | ) | | | | | | | | | | | | | | | | | | | | | | | |
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