Question

which of the following is a factor of 7x^2 -12x-4?
a) x+2
b)none of the above
c)7x-2
d)x-4

Answer 1

B.

Answer 2

7x^2-12x-4=0
7x^2-14x+2x-4=0
7x(x-2)+2(x-2)=0
(7x+2)(x-2)=0

Answer 3

ans:7x-2 i guess

Answer 4

@xen7

After showing that the answer is B by factoring, you then say the answer is c??

Answer 5

The answer is B

Answer 6

Yes, we know, I am asking zen why he proves b and answers c.

Answer 7

Ohhk

Answer 8

I m sorry the answer is B. Actually I'm sleepy...

Answer 9

b)none of the above