Question

4.57 . (-1.2) +1.2 . (-1.43)

Answer 1

\(4,57\cdot\left(-1,2\right)+1,2\left(-1,43\right)\)

\(=\left(-1,2\right)\cdot\left(4,57+1,43\right)\)

\(=-1,2\cdot6=-7,2\)

Answer 2

4.57 . (-1.2) +1.2 . (-1.43)

= (-4,57) . 1,2 +1,2 . (-1,43)

=1,2 . [(-4,57)+(-1,43)]

=1,2 . (-6)

= -7,2