January 2019 1 4 Report
Zapisz w jak najprostszej postaci
a) 3x - 2xy + 5x
b) 7a(kwadrat) + 2a(kwadrat)x - 9a(kwadrat) + 2a(kwadrat)
c) 3ab - a(sześcian)b -8ba
d)2x(kwadrat)y - 3,5xy(kwadrat) - 1,5x (kwadrat)y - 3xy (kwadrat) + 4xy (kwadrat) - 4xy (kwadrat)
e) (5x -7y) - (3y - 7x)
f) -(a - 2b) -2(b -2a)
g) 3(x - 2y) - 2(y - 3x)

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