Odpowiedź:
E)
[tex]8ab + 12bc = 4b(2a + 3c)[/tex]
[tex]4xy + 6 {x}^{2} y = 2xy(2 + 3x)[/tex]
[tex]2 {a}^{3}b + 4 {a}^{2} b - 4 {a}^{2} {b}^{2} = 2 {a}^{2}b(a +2 - 2b)[/tex]
[tex]21 {p}^{3} {q}^{2} - 2 7 {p}^{2} {q}^{3} + 3 {p}^{2} {q}^{2} = 3 {p}^{2} {q}^{2} (7p - 9q + 1)[/tex]
