September 2018 2 9 Report

oblicz i zapisz w jak najprostrzej postaci:

a) (4y+3)(y-2)-2y(c-2)

b) -(3c-2)(c-1)-(c-2)

c) 2(3a^2-(a+2)(a+2)

d) 5x^2(x^2+1)-(x^2-2)(x^2+3)

PS: ten znak (^) to znaczy do do potęgi np:<3a^2>= do potęgi drugiej


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