*The answer is the first one
I’m step 1, the difference of 1.5 x (-3.2) and 1.5 x (2.5) should be written as a sum
For example the right next step you be
1.5 x (-3.2) + 1.5 x (2.5)
And therefore giving you the final result of
= -4.8 + 3.75
= -1.05
Hope this helps :)