| (1) | | | | | | | | | | | | | | | | | | | | | | | | ( | −8 | u | − | 5 | ) | ( | −6 | u | + | 9 | ) | − | 6 | ( | 2 | u | − | 4 | ) | | | | | | | | | | | | | | | | | | | | | | | |
|
| (2) | | | | | | | | | | | | | | | | | | | | | | | | | | | | | ( | −6 | b | − | 2 | ) | ( | 7 | b | + | 9 | ) | − | ( | 10 | b | + | 2 | ) | ( | 6 | b | − | 7 | ) | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| | | | | | | | | | | | | | | | | | | | | | | | | = | −42 | b | − | 68 | b | − | 18 | − | ( | 60 | b | − | 58 | b | − | 14 | ) | | | | | | | | | | | | | | | | | | | | | | | | | |
|
| (3) | | | | | | | | | | | | | | | | | | | | | | | | | ( | c | − | 6 | ) | ( | c | + | 6 | ) | + | ( | c | + | 1 | ) | ( | c | + | 8 | ) | | | | | | | | | | | | | | | | | | | | | | | | |
|
| (4) | | | | | | | | | | | | | | | | | | | | | | | | ( | 9 | y | + | 5 | ) | ( | −2 | y | − | 4 | ) | + | 3 | ( | −4 | y | − | 10 | ) | | | | | | | | | | | | | | | | | | | | | | | |
|
|
|
| (6) | | | | | | | | | | | | | | | | | | | | | | | | | ( | w | + | 8 | ) | ( | w | + | 5 | ) | − | ( | w | − | 3 | ) | ( | w | + | 3 | ) | | | | | | | | | | | | | | | | | | | | | | | | |
|
| (7) | | | | | | | | | | | | | | | | | | | | | | | | | | | | | ( | 3 | p | − | 5 | ) | ( | 4 | p | + | 4 | ) | + | ( | 10 | p | + | 9 | ) | ( | −5 | p | + | 9 | ) | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
|