February 2019 0 42 Report
WZORY SKRÓCONEGO MNOŻENIA
Zapisz w jak najprostszej postaci:
a) (x+5y)² - 10xy =
b) 3(z+4)² - 24z =
c) 5x² - 7 - (3x+4)² =
d) (x-3)² - (x+2)² =
e) (3x-√7)² =
f) (7-4√5)(7+4√5) =
g) 3x² - (x-3)(x+3) =
h) (x²-6)(x²+6) + (x²-4)² =
i) z(3z+5)² - 2z (z-3)(z+3) =

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