Упростите 9(4х-5у)-3(11х-у)

Question

Упростите 9(4х-5у)-3(11х-у)

Answer 1

9(4х-5у)-3(11х-у)
36x-45y-33+3y
36x-42y-33...

Answer 2

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