Question

F(x)=x^2-x-12, find f(x)=-12

*problem b

Answer 1

Plug in -12 for
`f(x)`!


`-12=x^(2)-x-12`

Now get the left side equal to zero so you can factor:


`0=x^(2)-x`

Now you can factor out an
`x`!


`0=x(x-1)`

So for that to equal zero,
`x=0` or
`x=1`!