( | 2999 5 | − | 1783 40 | x | ) | ( | 5 | − | x | ) | = | 7167 10 |
Left side of the equation = | 2999 5 | ( | 5 | − | x | ) | − | 1783 40 | x | ( | 5 | − | x | ) |
= | 2999 5 | × | 5 | − | 2999 5 | x | − | 1783 40 | x | ( | 5 | − | x | ) |
= | 2999 | − | 2999 5 | x | − | 1783 40 | x | ( | 5 | − | x | ) |
= | 2999 | − | 2999 5 | x | − | 1783 40 | x | × | 5 | + | 1783 40 | x | x |
= | 2999 | − | 2999 5 | x | − | 1783 8 | x | + | 1783 40 | x | x |
= | 2999 | − | 32907 40 | x | + | 1783 40 | x | x |
2999 | − | 32907 40 | x | + | 1783 40 | x | x | = | 7167 10 |