Объяснение:
5abc(4b-9c-50a^2c)+45abc^2 = 5abc(4b-9c-50a^2c+9c) = (4b-9c-50a^2c+9c) = (4b-50a^2c) = 5abc(4b-50a^2c)
Объяснение:
5abc(4b-9c-50a^2c)+45abc^2 = 5abc(4b-9c-50a^2c+9c) = (4b-9c-50a^2c+9c) = (4b-50a^2c) = 5abc(4b-50a^2c)