Question

me ajudeeeem pfvrrrrrr​

Answer 1

(15 - 5)²  =  10²  

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(3 - (1/3))²  mmc = 3

(9 -1/3)²

(8/3)²

8²/3²

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(a - 9)²

a² - 2.a.9 + 9²

a² - 18a + 81

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(5x - 11y)²

(5x)² - 2.5x.11y + (11y)²

25x² - 110xy + 121y²