2x^2-8x-64

Question

which is one of its factors?

 

 

(x-4)

(x-8)

(2x+4)

(2x-8)

Answer 1

2x² - 8x - 64

 

 

Notice that 2 is a common factor of the polynomial. 

 

2(x² - 4x - 32)

 

 

Factor completely by using FOIL.

 

2(x - 8)(x + 4)

 

 

We have 3 factors.  Pick the factor that matches your answer choices.