Răspuns :
[tex](10x^{3} -8x^{2}):(-2x^{2})=\\
=2x^{2}(5x -4):[-(2x^{2})]=\\
=(5x-4):(-1)=\\
=(5x-4)*(-1)=\\
=-5x+4=\\
=4-5x[/tex]
Pt. orice x diferit de 0
=2x^{2}(5x -4):[-(2x^{2})]=\\
=(5x-4):(-1)=\\
=(5x-4)*(-1)=\\
=-5x+4=\\
=4-5x[/tex]
Pt. orice x diferit de 0