ZAD. 4
a)
[tex]3 {x}^{2} (3x + {y}^{2} )[/tex]
b)
[tex]3 {x}^{2} ( {x}^{2} {y}^{2} - 2y)[/tex]
c)
[tex]2x {y}^{2} (3x - 1)[/tex]
d)
[tex]2x {y}^{2} (4 {y}^{3} + 6x {y}^{2})[/tex]
e)
[tex]2x {y}^{2}(3 {x}^{2}y - 3 {x}^{3} {y}^{2} + 6)[/tex]
d)
[tex]3 {x}^{2}(2 {x}^{2} {y}^{2} + 2x {y}^{2} - 6 {x}^{2} y)[/tex]
ZAD. 5
a)
[tex]3 {y}^{3}(3 {x}^{4} - 4 {y}^{2} )[/tex]
b)
[tex]4 {a}^{2} {b}^{2} (2 + a {b}^{2} )[/tex]
c)
[tex]2 {p}^{2} {q}^{3} (4p + 2{p}^{2}q - 3)[/tex]