Question

Which is a factor of: 2x^2-4x-6?
A. x- 1
B.X +3
C. x-3
D. x+2

Answer 1

c ) x - 3

Explanation:

2x^2-4x-6

Divide through by 2

x^2 - 2x - 3

x^2 - 3x + x - 3

x( x - 3) +1 (x - 3)

(x + 1 ) ( x - 3)

Therefor the answer is c) x - 3