January 2019 0 9 Report
Oblicz
a) [(x+y)+z]^2
b) (m+n+p)^2
c) 0,5(2ab-3y)^2 + 0,25(4a-10ab)^2
d) 1/2(2a-3)^2 - 1/4(2+6a)^2

Rozłoż na czynniki
a) 16a^2 x^2 - 24a^3 x^2 + 9a^4 x^2
b) x^2 -y^2 + 2yz -z^2
c) x^2 + 2x +1 -y^2
d) z^2 -(x-2y)^2
e) x^2 - y^2
f) 16a^4 - 81b^4
g) x^3 - xy^2
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