Question

How do you graph `y=x^2 -7x +6`?

Answer 1

`(x-6)(x-1)`

Explanation:

Find the factors of 6 which add up to 7.
The `color(red)+`of the 6 indicates that the factors need to be `color(red)"added"`
It also means that the signs in the bracket will be `color(red)"the same"`

The `color(blue)-`of the 7 indicates that the signs in the brackets will be `color(blue)"minus"`

`6 xx 1 = 6` and `6 + 1 =7`

`(x-6)(x-1)`