Odpowiedź :
[tex]b = 6[/tex]
[tex](b - 2 {)}^{2} \times (19 - 2b) = \\ = (6 - 2 {)}^{2} \times (19 - 2 \times 6) = \\ = {4}^{2} \times (19 - 12) = \\ = 16 \times 7 = \\ = 112[/tex]
[tex]b = 6[/tex]
[tex](b - 2 {)}^{2} \times (19 - 2b) = \\ = (6 - 2 {)}^{2} \times (19 - 2 \times 6) = \\ = {4}^{2} \times (19 - 12) = \\ = 16 \times 7 = \\ = 112[/tex]