Cześć!
Rozwiązanie
3a(2b - 4a) - 2b(3a - 4b) =
= 6ab - 12a² - 6ab + 8b² =
= -12a² + 8b² + 6ab - 6ab = -12a² + 8b²
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Cześć!
Rozwiązanie
3a(2b - 4a) - 2b(3a - 4b) =
= 6ab - 12a² - 6ab + 8b² =
= -12a² + 8b² + 6ab - 6ab = -12a² + 8b²