lanaiheart7
05.05.2020 •
Mathematics
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Ответ:
A) 9a² - 24a + 16
(3a)² - 2(3a)(4) + 4²
(3a - 4)²
Each side is (3a - 4) units
B) 25a² - 36b²
(5a)² - (6b)²
(5a - 6b)(5a + 6b)
Dimensions: (5a-6b) × (5a+6b)