Factor x2 - 4x + 5. Prime (x + 5)(x - 1) (X - 5)(x - 1) (x + 5)(x + 1)

Question

asked Mar 21, 2021 133k views

1 Answer

SMSidat · Answer 1 · 2021-03-28T10:21:23+0000

x^2-4x+5

The equation cannot be factored.

Let's expand the options:

(x + 5)(x - 1)=x^2+4x-5

(x - 5)(x - 1)=x^2-6x+5

(x + 5)(x + 1)=x^2+6x+5

None of the answers match.

Therefore, if the expression cannot be factored it is said to be prime