0,4a×(-5b) (2x-1)×(-0,2 3(-x-1)

Question

0,4a×(-5b)

(2x-1)×(-0,2

3(-x-1)

Answer 1

0,4 а *(-5b) = 0.4 *(-5)ab = -2ab
(2x-1) * (-0.2) = 2x *(-0.2)  -  1*(-0.2) = - 0.4x +0.2
3(-x-1) = -3x-3

Answer 2

0,4a*(-5b)=-2ab
(2x-1)*(-0,2)=-0,4x+0,2
3(-x-1)=-3x-3