| (1) | | | | | | | | | | | | | | | | | | | | | | | ( | p | − | 7 | ) | ( | −8 | p | − | 2 | ) | − | 8 | ( | −8 | p | + | 7 | ) | | | | | | | | | | | | | | | | | | | | | | |
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| (3) | | | | | | | | | | | | | | | | | | | | | | | | | ( | p | + | 1 | ) | ( | p | − | 1 | ) | − | ( | p | − | 2 | ) | ( | p | + | 9 | ) | | | | | | | | | | | | | | | | | | | | | | | | |
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| (4) | | | | | | | | | | | | | | | | | | | | | | | | | | | | | ( | −4 | y | − | 2 | ) | ( | −8 | y | + | 5 | ) | − | ( | −7 | y | − | 1 | ) | ( | 5 | y | + | 4 | ) | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
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| (5) | | | | | | | | | | | | | | | | | | | | | | | | | | | | | ( | −8 | y | − | 9 | ) | ( | −5 | y | − | 7 | ) | + | ( | 5 | y | − | 6 | ) | ( | 5 | y | + | 4 | ) | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| | | | | | | | | | | | | | | | | | | | | | | | | = | 40 | y | + | 101 | y | + | 63 | + | ( | 25 | y | − | 10 | y | − | 24 | ) | | | | | | | | | | | | | | | | | | | | | | | | | |
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| (6) | | | | | | | | | | | | | | | | | | | | | | | | | | | | | ( | −2 | x | + | 7 | ) | ( | −6 | x | + | 3 | ) | + | ( | − | x | + | 5 | ) | ( | −4 | x | − | 1 | ) | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
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