14,28,42,56,70,84,98
119
5
-14 and -14 Add them together to get -28 Multiply them to get 196
X^2 - 9X + 14 = 0 what two factors of 14 add up to - 9 ? (X - 2)(X - 7) so, X = 2 X = 7
X^2 + 5X - 14 by inspection what two factors of - 14 add up to 5 ? (X + 7)(X - 2) X = - 7 X = 2
240? How about 336? The lowest common factor is 2. 2X6 = 12 2x7 = 14 2x8 = 16 so.... 6x7x8 = 336
The factors of 14 are 1,2,7, and 14. The factors is 21 up to 14 and 1, 3, and 7. The common factors are 1 and 7.
Factors are normally positive and so the factors needed are 6 plus 8 = 14 but not -14
14, 28, 42, 56, 70, 84, 98, 112, 126, 140, 154, 168, 182, 196, 210, 224, 238, 252,266, 280, 294, 308, 322, 336
47
119
34
They are 6, 10, 14, 18, 22, 26 and 30.
-38
They are 8 and 6
5
Pairs of numbers whose sum is -14 and that are factors of -189 include -7 and -7, and -21 and 7.