| (1) | | | | | | | | | | | | | | | | | | | | | | | | | ( | c | − | 10 | ) | ( | c | + | 10 | ) | + | ( | c | + | 9 | ) | ( | c | − | 3 | ) | | | | | | | | | | | | | | | | | | | | | | | | |
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| (2) | | | | | | | | | | | | | | | | | | | | | | | | | | | | | ( | −5 | x | − | 6 | ) | ( | −9 | x | − | 7 | ) | − | ( | −8 | x | − | 1 | ) | ( | 8 | x | − | 2 | ) | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
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| (3) | | | | | | | | | | | | | | | | | | | | | | | | | | | | | ( | 3 | w | − | 9 | ) | ( | −3 | w | − | 2 | ) | − | ( | 9 | w | − | 8 | ) | ( | 7 | w | − | 2 | ) | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
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| (4) | | | | | | | | | | | | | | | | | | | | | | | | | ( | p | + | 8 | ) | ( | p | − | 8 | ) | + | ( | p | + | 4 | ) | ( | p | − | 4 | ) | | | | | | | | | | | | | | | | | | | | | | | | |
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| (5) | | | | | | | | | | | | | | | | | | | | | | | | | ( | y | − | 7 | ) | ( | y | + | 7 | ) | + | ( | y | − | 3 | ) | ( | y | − | 8 | ) | | | | | | | | | | | | | | | | | | | | | | | | |
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| (6) | | | | | | | | | | | | | | | | | | | | | | | | | ( | x | + | 9 | ) | ( | x | − | 9 | ) | + | ( | x | + | 4 | ) | ( | x | − | 3 | ) | | | | | | | | | | | | | | | | | | | | | | | | |
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| (7) | | | | | | | | | | | | | | | | | | | | | | | | | | | | | ( | 5 | v | + | 6 | ) | ( | 5 | v | − | 4 | ) | + | ( | −4 | v | + | 4 | ) | ( | 6 | v | − | 10 | ) | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| | | | | | | | | | | | | | | | | | | | | | | | | = | 25 | v | + | 10 | v | − | 24 | + | ( | −24 | v | + | 64 | v | − | 40 | ) | | | | | | | | | | | | | | | | | | | | | | | | | |
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