Odpowiedź:
a)-x^2+3ax-x
b)3p^2-6p
c)x^2-2x+2x+2x^2-10
d)a^2-ab-2ab+2a^2
e)6ab+6b^2+10a
f)-6stw+20sw-t (Nie jestem pewna)
g)30ab+10a+6a-ab
h)a^2b^2+a^2b-2a^2b^2+4a^2b
^(kwadrat)
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Odpowiedź:
a)-x^2+3ax-x
b)3p^2-6p
c)x^2-2x+2x+2x^2-10
d)a^2-ab-2ab+2a^2
e)6ab+6b^2+10a
f)-6stw+20sw-t (Nie jestem pewna)
g)30ab+10a+6a-ab
h)a^2b^2+a^2b-2a^2b^2+4a^2b
^(kwadrat)