Answer: x^2 - 4x - 12
Step-by-step explanation:
Factors are (x + 2) and (x - 6)
(x +2)(x - 6)
*multiply the first x by the second x and then by the -6
x^2 - 6x
* multiply the 2 by the second x and then the -6
2x - 12
* combine the two expressions
x^2 - 6x + 2x - 12
*simplify
x^2 - 4x - 12