Question

How do you factor the expression `x^2-11x+28`?

Answer 1

`x^2-11x+28=(x-7)(x-4)`

Explanation:

The factors of 28 are as follows:

`1, 28` and
`2,14` and
`7, 4`

The best pair is `7, 4` because the sum is `11`.

I hope this answer helps.