Question

3x(y-1)+3y(5x-2)for x=2 y=-1

Answer 1

3x(y-1)+3y(5x-2)

=3*2(-1-1)+3*-1(5*2-2) (Substituting x=2,y=-1)

=(6*-2)-(3*8)

=-12-24

=-36

Answer 2

36 is the answer of ur question