September 2018 2 70 Report

Rozłóz na czynniki stosując wzrory skróconego mnożenia:

e) 25x² - (x+y)²

f) 100 - (3x+7y)²

g) (a + 2b)²- (3c+4d)²

h) (2x+3)²-(x-1)²


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