1) (x-2)(x+2)
2)a(10-a)(10+a)
3)2x(x+4)
х²- 4 = х² - 2² = (х-2)·(х+2)
100а-а³= а·(100 - а²) = а·(10² - а²) = а·(10-а)·(10+а)
2х²+8х = 2х·(х+4)
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Verified answer
1) (x-2)(x+2)
2)a(10-a)(10+a)
3)2x(x+4)
Verified answer
х²- 4 = х² - 2² = (х-2)·(х+2)
100а-а³= а·(100 - а²) = а·(10² - а²) = а·(10-а)·(10+а)
2х²+8х = 2х·(х+4)