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(10x la a 3-8x la a 2):(-2x la a 2)

Răspuns :

2x²(5x - 4):(-2x²) = 4 - 5x
[tex](10x^{3} -8x^{2}):(-2x^{2})=\\
=2x^{2}(5x -4):[-(2x^{2})]=\\
=(5x-4):(-1)=\\
=(5x-4)*(-1)=\\
=-5x+4=\\
=4-5x[/tex]

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