32 | + | 32 | + | ( | x | − | 3 | ) | ( | x | − | 3 | ) | + | ( | 6 | − | x | ) | ( | 6 | − | x | ) | = | 81 |
Left side of the equation = | 64 | + | ( | x | − | 3 | ) | ( | x | − | 3 | ) | + | ( | 6 | − | x | ) | ( | 6 | − | x | ) |
64 | + | ( | x | − | 3 | ) | ( | x | − | 3 | ) | + | ( | 6 | − | x | ) | ( | 6 | − | x | ) | = | 81 |
Left side of the equation = | 64 | + | x | ( | x | − | 3 | ) | − | 3 | ( | x | − | 3 | ) | + | ( | 6 | − | x | ) | ( | 6 | − | x | ) |
= | 64 | + | x | x | − | x | × | 3 | − | 3 | ( | x | − | 3 | ) | + | ( | 6 | − | x | ) | ( | 6 | − | x | ) |
= | 64 | + | x | x | − | 3 | x | − | 3 | x | + | 3 | × | 3 | + | ( | 6 | − | x | ) | ( | 6 | − | x | ) |
= | 64 | + | x | x | − | 3 | x | − | 3 | x | + | 9 | + | ( | 6 | − | x | ) | ( | 6 | − | x | ) |
= | 73 | + | x | x | − | 6 | x | + | ( | 6 | − | x | ) | ( | 6 | − | x | ) |
= | 73 | + | x | x | − | 6 | x | + | 6 | ( | 6 | − | x | ) | − | x | ( | 6 | − | x | ) |
= | 73 | + | x | x | − | 6 | x | + | 6 | × | 6 | − | 6 | x | − | x | ( | 6 | − | x | ) |
= | 73 | + | x | x | − | 6 | x | + | 36 | − | 6 | x | − | x | ( | 6 | − | x | ) |
= | 109 | + | x | x | − | 12 | x | − | x | ( | 6 | − | x | ) |
= | 109 | + | x | x | − | 12 | x | − | x | × | 6 | + | x | x |
= | 109 | + | x | x | − | 18 | x | + | x | x |
109 | + | x | x | − | 18 | x | + | x | x | = | 81 |