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