171k views
5 votes
Identify the factors of x2 - 4x – 12. 0 (x + 4)(x - 3) O (x - 4)(x + 3) O (x - 2)(x + 6) O (x + 2)(x - 6)

Identify the factors of x2 - 4x – 12. 0 (x + 4)(x - 3) O (x - 4)(x + 3) O (x - 2)(x-example-1
User Ricksmt
by
6.3k points

1 Answer

1 vote

Simplify the equation to obtain the factors of equation.


\begin{gathered} x^2-4x-12=x^2-6x+2x-12 \\ =x(x-6)+2(x-6) \\ =(x+2)(x-6) \end{gathered}

So factor of the equation is (x + 2)(x - 6).

User Andrew Rollings
by
7.1k points