DAJE NAJ Zapisz wyrażenie w jak najprostszej postaci.
a)
5(x−2)+6(x2−3)=
b)
7(x+6)+8(x−4)−9(x+1)=
c)
2(x+3y)−3(4x−y)+4(2x−3y)=
d)
4(2x−6y+9)=
e)
(−3a−2b−1)∙8=
f)
3(x3+2x2−x)=
g)
[5(2x−4y)+6(−10x−15y)]:10=
h)
5xy(2x+3y)−3x(xy−2y2)=
i)
2x(x+y)=
j)
(6x2−5x+8)∙4x=
a)
5(x−2)+6(x2−3)=
b)
7(x+6)+8(x−4)−9(x+1)=
c)
2(x+3y)−3(4x−y)+4(2x−3y)=
d)
4(2x−6y+9)=
e)
(−3a−2b−1)∙8=
f)
3(x3+2x2−x)=
g)
[5(2x−4y)+6(−10x−15y)]:10=
h)
5xy(2x+3y)−3x(xy−2y2)=
i)
2x(x+y)=
j)
(6x2−5x+8)∙4x=