| (3d – 6h) (3d + 6h) | = | ||
| (8q – 9s) (8q + 9s) | = | ||
| (p + 3s)² | = | ||
| (5y – 8s)² | = | ||
| (11k + 9c)² | = | ||
| (2a + k) (2a – k) | = | ||
| (2t + 12x)² | = | ||
| (11c – 12f) (11c + 12f) | = | ||
| (12h – 2g)² | = | ||
| (2em – f) (2em + f) | = | ||
| (9og + 2k) (9og – 2k) | = | ||
| (6l + 14t)² | = | ||
| (4l – 6q) (4l + 6q) | = | ||
| (11m + x)² | = | ||
| (17vc – 12a)² | = | ||
| (4k + 13jl)² | = | ||
| (11i – 3cr)² | = | ||
| (8do + 15fz) (8do – 15fz) | = | ||
| (dwx – 6nta)² | = | ||
| (5d + 12p)² | = |