August 2018 1 31 Report
Zad 1.) (2x-4y)(2x+4y)+(2x+4y)²+(2x-4y)²-(x-3)(x+7)=

dla x= -⅓
dlay= 3
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zad2). -(x-4)²=(3-x)(3+x) plus sprawdzenie

zad3.) (x+½)²-(x-1)(x+1)=16 plus sprawdzenie

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