Упростите выражения 9(4x-5y)-3(11x-y)

Question

Упростите выражения 9(4x-5y)-3(11x-y)

Answer 1

36x-45y-33x+3y=3x-42y

Comments

9(4x-5y)-3(11x-y) = 3(3(4x-5y)-(11x-y)) = 3(12x-15y-11x+y) = 3(x-14y)

Answer 2

9(4x-5y)-3(11x-y)=36x-45y-33x+3y=3x-42y