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PaulaDS
@PaulaDS
March 2022
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Simplifique as expressões:
a) (2X+1)² + (X-5)²
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mozarth11
Verified answer
(2x+1)² + (x-5)² =
(2x)² + 2 . 2x . 1 + 1² + x² - 2 . x . 5 + 5² =
4x² + 4x + 1 + x² - 10x + 25 =
5x² - 6x + 26
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Verified answer
(2x+1)² + (x-5)² =(2x)² + 2 . 2x . 1 + 1² + x² - 2 . x . 5 + 5² =
4x² + 4x + 1 + x² - 10x + 25 =
5x² - 6x + 26