Rozłóż na czynnika, tosujac wzory skróconego mnozenia.
a) 9/4 x2 - 1/100
x2- iks do kwadratu
(3/2x - 1/10) * (3/2x + 1/10) = 9/4x² - 1/100
(a-b) * (a +b ) = a² - b²
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(3/2x - 1/10) * (3/2x + 1/10) = 9/4x² - 1/100
(a-b) * (a +b ) = a² - b²