If $f(x) = x^2 - 5x + 6$ and $f(x) = 0$ , $x = ?$

Setting $x^2-5x+6=0$ and factoring gives $(x-2)(x-3)=0$ . Hence the roots are and .

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3

d

1, -5

2

)

(

x

−

3)=

0

x = 2

x = 3