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13-05-2017
Mathematics

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Let f(x)=x2−x−30 . What are the zeros of the function?

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mjankiewicz mjankiewicz

13-05-2017

-x = -6x + 5x

[tex]x^2-x-30=0\\\\ x^2-6x+5x-30=0\\\\ x(x-6)+5(x-6)=0\\\\ (x-6)(x+5)=0\\\\ x-6=0\vee x+5=0\\\\ x=6\vee x=-5[/tex]

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