wylącz wspolny cznnik przed nawias
15ab-6b
4xy^2+10x^2
8k^2l^3-4k^2l
5m^3n+20m^2n^2
9a^2b^3-6a^3b+2a^2b^2
2.1x^3+0,7x^3y-1.5x^2
cukierwk-cukier
3 jaja +kasia
2ananasy+3 banany
2drzewa+3krzewy
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= 3b (5a - 2)
=2x (y^2 + 5x)
= 4k^2l (l^2 - 1)
= 5 m^2n ( m + 4n)
= a^2b (9b^2 - 6a +2b)
= x^2 (2,1x + 0,7xy - 1,5)
= cukier (wk - 1) = cekiru (kw - 1)
= a^2 (3j^2 + ksi) = a^2 (3j^2 + iks)
= a^2n^2y (2as + 3b)
= rzew (2da + 3ky) = erwz (2ad + 3ky)