Выполните действия:
в) (2a-3c)(a+2c)
г) (y-1)(y^2+2y-4)
д) (3x^3-6x^2):3x^2
в) (2a-3c)(a+2c)
г) (y-1)(y^2+2y-4)
д) (3x^3-6x^2):3x^2
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Answers & Comments
(у-1)(у²+2у-4)= у³+2у²-4у-у²-2у+4=у³ - 6у+4
(3х³ -6х²):3х²=3х³/3х² - 6х²/3х²=х -2
Verified answer
(2a -3c)(a+2c)= 2a² + 4ac-3ac-6c²= 2a²+ac-6c²(y-1)(y²+2y-4)= y³+2y-4y-y²-2y+4=y³-y²-6y+4
3x³-6x² / 3x²=x-2