Упростите -7(6x+3)-5(4-x)

Question

Упростите -7(6x+3)-5(4-x)

Answer 1

-7(6x+3)-5(4-x)=-42x+21-20+5x=-42x+5x+21-20=-37x+1

Answer 2

-42х-21-20-х=-42х-х=-43х
-21 -20 = -41
-43-41