а) 9(5x+2) = 45x + 1б) 7(9x-11) = 63x - 7в) 5(7c+3) = 35c + 1г) (10+7x)6 = 60 + 42д) (3y-5)3 = 9y - 1е) (9-5y)8 = 72 - 40y
а) 9(5x+2) = 45x + 1
б) 7(9x-11) = 63x - 7
в) 5(7c+3) = 35c + 1
г) (10+7x)6 = 60 + 42
д) (3y-5)3 = 9y - 1
е) (9-5y)8 = 72 - 40y