Ответ:
3t² + t
Объяснение:
(2t - t²) + (4t² - 5) - (t - 5) = 2t - t² + 4t² - 5 - t + 5 = (4t² - t²) + (2t - t) + (5 - 5) = 3t² + t
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Verified answer
Ответ:
3t² + t
Объяснение:
(2t - t²) + (4t² - 5) - (t - 5) = 2t - t² + 4t² - 5 - t + 5 = (4t² - t²) + (2t - t) + (5 - 5) = 3t² + t