162 25 | = | 1 | × | 143 10 | × | 1000 | × | 1 | x | ( | 3 40 | − | 1 2 | x | ) |
| Right side of the equation = | 14300 | x | ( | 3 40 | − | 1 2 | x | ) |
162 25 | = | 14300 | x | ( | 3 40 | − | 1 2 | x | ) |
| Right side of the equation = | 14300 | x | × | 3 40 | − | 14300 | x | × | 1 2 | x |
| = | 2145 2 | x | − | 7150 | x | x |
162 25 | = | 2145 2 | x | − | 7150 | x | x |