October 2018 2 59 Report

Doprowadź wyrażenie do najprostszej postaci.

a) -3(2y- 3x) + 2 (3y+ 2x)

b) - 4 (x - 5y) - 3 (-2y - x)

c) 2x(x+2y) - x (2x +y)

d) - x (z-y) - z(-x +y)

e) 4 ( x +y) - 2 (x-y) - 3x (1+y)

f) -5x (2- y) - y (5x +1) + 10 x (-y +1)


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