Factor completely: 72x2 – 8

a. 8(3x – 1)(3x + 1)
b. 8(3x – 1)(3x – 1)
c. (8x – 2)(9x – 4)
d. (8x + 2)(9x – 4)

Question

Factor completely: 72x2 – 8 

    a. 8(3x – 1)(3x + 1) 
    b. 8(3x – 1)(3x – 1) 
    c. (8x – 2)(9x – 4) 
    d. (8x + 2)(9x – 4)

diyadiya · Answer

First you have to factor out 8

diyadiya · Answer

can you do that?

anonymous · Answer

its A.

anonymous · Answer

once you factor out the 8, its a perfect square like the last ones!:)

diyadiya · Answer

@kcEspinoza Please Read the Code-Of-Conduct, it'll be better if you guide the asker through the answer. >> http://openstudy.com/code-of-conduct

anonymous · Answer

soooo what? tons of people do it. lay off.

anonymous · Answer

I think the point she is trying to make is that its nice of you to give the answers but it isn't beneficial to them when they take their test and don't know how to do it because we gave them the answers. That's all. But, it's okay because we have all given out answers every now and then. :)