| (1) | | | | | | | | | | | | | | | | | | | | | | | | | | | | | ( | 5 | w | − | 10 | ) | ( | 9 | w | + | 2 | ) | + | ( | −10 | w | − | 1 | ) | ( | −10 | w | + | 2 | ) | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
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| (2) | | | | | | | | | | | | | | | | | | | | | | | | ( | 2 | z | + | 6 | ) | ( | −4 | z | − | 8 | ) | + | 2 | ( | 10 | z | − | 7 | ) | | | | | | | | | | | | | | | | | | | | | | | |
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| (5) | | | | | | | | | | | | | | | | | | | | | | | ( | 4 | x | − | 5 | ) | ( | −9 | x | − | 1 | ) | + | 3 | ( | x | − | 10 | ) | | | | | | | | | | | | | | | | | | | | | | |
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| (6) | | | | | | | | | | | | | | | | | | | | | | | | | | | | ( | 2 | a | + | 1 | ) | ( | −4 | a | − | 3 | ) | − | ( | a | + | 8 | ) | ( | −8 | a | + | 10 | ) | | | | | | | | | | | | | | | | | | | | | | | | | | | |
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| (7) | | | | | | | | | | | | | | | | | | | | | | | | | | | | | ( | 6 | p | − | 1 | ) | ( | 4 | p | + | 7 | ) | − | ( | −3 | p | − | 4 | ) | ( | 6 | p | − | 2 | ) | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
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