April 2019 0 21 Report
Rozwiąż- wzorami skróconego mnożenia.

a.) (x-5)^2=x^2-2
b.) (2x+3)^2
c.) (x^2-y)^2
d.) (3y+1)^2
e.) (x+7) (x-7)
f.) (2x-3) (2x+3)
g.) (3x-1) (3x-1)
h.) (2+y) (3+y)
i.) (x+10) (x+10)
j.) (2x-1) (3x+1)

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