Ответ:
-0,36p² + 3,6pt - 9t²
Объяснение:
-9(0,2p - t)² = -9*(0,04*p² - 0,4pt + t²) = -0,36p² + 3,6pt - 9t²
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Ответ:
-0,36p² + 3,6pt - 9t²
Объяснение:
-9(0,2p - t)² = -9*(0,04*p² - 0,4pt + t²) = -0,36p² + 3,6pt - 9t²