x | x | ( | 1 | + | x | x | ) | ( | 1 | + | 1 25 | x | x | ) | = | 100 |
Left side of the equation = | x | x | × | 1 | ( | 1 | + | 1 25 | x | x | ) | + | x | x | x | x | ( | 1 | + | 1 25 | x | x | ) |
= | x | x | × | 1 | × | 1 | + | x | x | × | 1 | × | 1 25 | x | x | + | x | x |
= | x | x | × | 1 | + | x | x | × | 1 25 | x | x | + | x | x | x | x |
= | x | x | × | 1 | + | x | x | × | 1 25 | x | x | + | x | x | x | x |
x | x | × | 1 | + | x | x | × | 1 25 | x | x | + | x | x | x | x | = | 100 |