1) 100 - 9 = (10 + 3)(10 - 3) = 13 72) 256 - 9 = (16 + 3)(16 - 3) = 19 133) (4p + 5q){2} - 49 = (4p + 5q + 7)(4p + 5q - 7)
1) 100 - 9 = (10 + 3)(10 - 3) = 13 7
2) 256 - 9 = (16 + 3)(16 - 3) = 19 13
3) (4p + 5q){2} - 49 = (4p + 5q + 7)(4p + 5q - 7)