December 2018 2 70 Report
Opuśc nawiasy i zredukuj wyrazy podobne :
a) (3x+4y+2z) - (-2x+4y-5z) - (x+3y-2z)
b) (x-2y-3z) - (3x+2y+z) + (4x-3y-3z)
c) -(x(do kwadratu)-3x+2) +(4-3x+2x(do kwadratu)) -(7+4x-3x(do kwadratu)
d) -(3-2x+4x(do kwadratu)-2x(do potęgi 3) + (-x(do potęgi 3)-2x(do kwadratu)-2x-6 )

Proszę o pomoc daje naj :)
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