smhmads
smhmads
07-02-2017
Mathematics
contestada
f(x)=x^2-x-12, find f(x)=-12
*problem b
Respuesta :
baseballboyg
baseballboyg
07-02-2017
Plug in -12 for [tex]f(x)[/tex]!
[tex]-12=x^{2}-x-12[/tex]
Now get the left side equal to zero so you can factor:
[tex]0=x^{2}-x[/tex]
Now you can factor out an [tex]x[/tex]!
[tex]0=x(x-1)[/tex]
So for that to equal zero, [tex]x=0[/tex] or [tex]x=1[/tex]!
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