Answer:
−10x−5y+10
Step-by-step explanation:
1. remove parenthesis
2. collect like terms
3. simplify
If x=2, 2x^3-2x^2+3x-2 ≠ 0, so (x-2) is not a factor.
4cm = 5km
5/4 = 1.25
1cm = 1.25km
5 × 1.25 = 6.25
<em>6.25km</em>
Hope this helps! :)