Объяснение:
[tex]\displaystyle\\\frac{1}{2}x^2-2x-6=\frac{x^2}{2} -2x-6=\frac{x^2}{2}-3x+x-6=\frac{x}{2}*(x-6)+(x-6)=\\\\=(x-6)*(\frac{x}{2}+1)=(x-6)*(0,5x+1).[/tex]
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Объяснение:
[tex]\displaystyle\\\frac{1}{2}x^2-2x-6=\frac{x^2}{2} -2x-6=\frac{x^2}{2}-3x+x-6=\frac{x}{2}*(x-6)+(x-6)=\\\\=(x-6)*(\frac{x}{2}+1)=(x-6)*(0,5x+1).[/tex]