October 2018 1 11 Report

1.Oblicz .
a. (x + 1)(x -1) -3x = x² + 2
b. (3 - x )(x - 1) = 7 - x (x + 2)
c. x² - (x - 2)(x - 2) = 16
d. (3x - 3)(x - 1) - 3x(x - 5) = 21
e.x - 3 na dole 2(ułamek) + x + 4 na dole 5 (ułamek) = 2x - 2


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