Question

Factor the trinomial: x2 - 10x + 9
(x - 1)(x - 9)
(x + 1)(x - 10)
(x - 3)(x - 3)
prime

Answer 1

x2-9x-x+9
x(x-9)-1(x-9)
(x-1)(x-9)

Answer 2

use http://www.wolframalpha.com/ for answers

Answer 3

x2 - 10x (+) 9
^
we need to do some adding
.......................................................

x2 (-) 10x + 9
^
add negative together

Answer 4

-9-1 = -10 ; id go with it