(2x-3y)×(-5.2)+(7x-3a)×(-2)

Question

(2x-3y)×(-5.2)+(7x-3a)×(-2)

Answer 1

(-2x-3y)*(-5,2)+(7x-3a)*(-2)=

=-2x*5.2-3y*(-5.2)-7x*2-3a*(-2)=

=-10.4x+15.6y-14x+6a=

=(-10.4-14)x+15.6y+6a=

=-24.4x+15.6y+6a

Answer 2

(-2x-3y)*(-5,2)+(7x-3a)*(-2)
-10,4x+15,6y-14x+6a
-24,4x+15,6y+6a