| (1) | | | | | | | | | | | | | | | | | | | | | | | | | ( | y | + | 4 | ) | ( | y | − | 4 | ) | − | ( | y | − | 8 | ) | ( | y | + | 8 | ) | | | | | | | | | | | | | | | | | | | | | | | | |
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| (2) | | | | | | | | | | | | | | | | | | | | | | | | | ( | q | + | 3 | ) | ( | q | − | 3 | ) | − | ( | q | − | 2 | ) | ( | q | − | 5 | ) | | | | | | | | | | | | | | | | | | | | | | | | |
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| (4) | | | | | | | | | | | | | | | | | | | | | | | | ( | − | u | − | 3 | ) | ( | −6 | u | − | 7 | ) | + | 10 | ( | 6 | u | + | 8 | ) | | | | | | | | | | | | | | | | | | | | | | | |
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| (5) | | | | | | | | | | | | | | | | | | | | | | | | | ( | w | + | 4 | ) | ( | w | − | 9 | ) | + | ( | w | − | 5 | ) | ( | w | + | 9 | ) | | | | | | | | | | | | | | | | | | | | | | | | |
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| (6) | | | | | | | | | | | | | | | | | | | | | | | | | ( | y | + | 9 | ) | ( | y | − | 9 | ) | + | ( | y | + | 4 | ) | ( | y | − | 2 | ) | | | | | | | | | | | | | | | | | | | | | | | | |
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| (7) | | | | | | | | | | | | | | | | | | | | | | | | | ( | y | + | 3 | ) | ( | y | − | 6 | ) | − | ( | y | − | 4 | ) | ( | y | + | 7 | ) | | | | | | | | | | | | | | | | | | | | | | | | |
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